Fix Bazel docs url (#947)

Author: vladmos

WARNINGS.md

@@ -92,7 +92,7 @@ if debug:
   * Automatic fix: yes
   * [Suppress the warning](#suppress): `# buildifier: disable=attr-cfg`
 
-The [Configuration](https://warn.docs.bazel.build/versions/master/skylark/rules.html#configurations)
+The [Configuration](https://docs.bazel.build/versions/master/skylark/rules.html#configurations)
 `cfg = "data"` is deprecated and has no effect. Consider removing it.
 
 --------------------------------------------------------------------------------
@@ -115,7 +115,7 @@ The `attr.license()` method is almost never used and being deprecated.
   * Automatic fix: yes
   * [Suppress the warning](#suppress): `# buildifier: disable=attr-non-empty`
 
-The `non_empty` [attribute](https://warn.docs.bazel.build/versions/master/skylark/lib/attr.html)
+The `non_empty` [attribute](https://docs.bazel.build/versions/master/skylark/lib/attr.html)
 for attr definitions is deprecated, please use `allow_empty` with an opposite value instead.
 
 --------------------------------------------------------------------------------
@@ -140,7 +140,7 @@ for these attributes instead.
   * Automatic fix: yes
   * [Suppress the warning](#suppress): `# buildifier: disable=attr-single-file`
 
-The `single_file` [attribute](https://warn.docs.bazel.build/versions/master/skylark/lib/attr.html)
+The `single_file` [attribute](https://docs.bazel.build/versions/master/skylark/lib/attr.html)
 is deprecated, please use `allow_single_file` instead.
 
 --------------------------------------------------------------------------------
@@ -188,7 +188,7 @@ The names `l`, `I`, or `O` can be easily confused with `I`, `l`, or `0` correspo
   * Automatic fix: no
   * [Suppress the warning](#suppress): `# buildifier: disable=constant-glob`
 
-[Glob function](https://warn.docs.bazel.build/versions/master/be/functions.html#glob)
+[Glob function](https://docs.bazel.build/versions/master/be/functions.html#glob)
 is used to get a list of files from the depot. The patterns (the first argument)
 typically include a wildcard (* character). A pattern without a wildcard is
 often useless and sometimes harmful.
@@ -230,16 +230,16 @@ performance (glob can be relatively slow):
   * Automatic fix: yes
   * [Suppress the warning](#suppress): `# buildifier: disable=ctx-actions`
 
-The following [actions](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html)
+The following [actions](https://docs.bazel.build/versions/master/skylark/lib/actions.html)
 are deprecated, please use the new API:
 
-  * [`ctx.new_file`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#new_file) → [`ctx.actions.declare_file`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#declare_file)
-  * `ctx.experimental_new_directory` → [`ctx.actions.declare_directory`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#declare_directory)
-  * [`ctx.file_action`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#file_action) → [`ctx.actions.write`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#write)
-  * [`ctx.action(command = "...")`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#action) → [`ctx.actions.run_shell`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#run_shell)
-  * [`ctx.action(executable = "...")`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#action) → [`ctx.actions.run`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#run)
-  * [`ctx.empty_action`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#empty_action) → [`ctx.actions.do_nothing`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#do_nothing)
-  * [`ctx.template_action`](https://warn.docs.bazel.build/versions/master/skylark/lib/ctx.html#template_action) → [`ctx.actions.expand_template`](https://warn.docs.bazel.build/versions/master/skylark/lib/actions.html#expand_template)
+  * [`ctx.new_file`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#new_file) → [`ctx.actions.declare_file`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#declare_file)
+  * `ctx.experimental_new_directory` → [`ctx.actions.declare_directory`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#declare_directory)
+  * [`ctx.file_action`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#file_action) → [`ctx.actions.write`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#write)
+  * [`ctx.action(command = "...")`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#action) → [`ctx.actions.run_shell`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#run_shell)
+  * [`ctx.action(executable = "...")`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#action) → [`ctx.actions.run`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#run)
+  * [`ctx.empty_action`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#empty_action) → [`ctx.actions.do_nothing`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#do_nothing)
+  * [`ctx.template_action`](https://docs.bazel.build/versions/master/skylark/lib/ctx.html#template_action) → [`ctx.actions.expand_template`](https://docs.bazel.build/versions/master/skylark/lib/actions.html#expand_template)
 
 --------------------------------------------------------------------------------
 
@@ -250,10 +250,10 @@ are deprecated, please use the new API:
   * Automatic fix: yes
   * [Suppress the warning](#suppress): `# buildifier: disable=ctx-args`
 
-It's deprecated to use the [`add`](https://warn.docs.bazel.build/versions/master/skylark/lib/Args.html#add)
+It's deprecated to use the [`add`](https://docs.bazel.build/versions/master/skylark/lib/Args.html#add)
 method of `ctx.actions.args()` to add a list (or a depset) of variables. Please use either
-[`add_all`](https://warn.docs.bazel.build/versions/master/skylark/lib/Args.html#add_all) or
-[`add_joined`](https://warn.docs.bazel.build/versions/master/skylark/lib/Args.html#add_joined),
+[`add_all`](https://docs.bazel.build/versions/master/skylark/lib/Args.html#add_all) or
+[`add_joined`](https://docs.bazel.build/versions/master/skylark/lib/Args.html#add_joined),
 depending on the desired behavior.
 
 --------------------------------------------------------------------------------
@@ -277,7 +277,7 @@ the [`function-docstring`](function-docstring) warning.
   * Automatic fix: no
   * [Suppress the warning](#suppress): `# buildifier: disable=depset-items`
 
-The `items` parameter for [`depset`](https://warn.docs.bazel.build/versions/master/skylark/lib/globals.html#depset)
+The `items` parameter for [`depset`](https://docs.bazel.build/versions/master/skylark/lib/globals.html#depset)
 is deprecated. In it's old form it's either a list of direct elements to be
 added (use the `direct` or unnamed first parameter instead) or a depset that
 becomes a transitive element of the new depset (use the `transitive` parameter
@@ -319,17 +319,17 @@ depset1 | depset2
 depset1.union(depset2)
 ```
 
-Please use the [depset](https://warn.docs.bazel.build/versions/master/skylark/lib/depset.html) constructor
+Please use the [depset](https://docs.bazel.build/versions/master/skylark/lib/depset.html) constructor
 instead:
 
 ```python
 depset(transitive = [depset1, depset2])
 ```
 
 When fixing this issue, make sure you
-[understand depsets](https://warn.docs.bazel.build/versions/master/skylark/depsets.html)
+[understand depsets](https://docs.bazel.build/versions/master/skylark/depsets.html)
 and try to
-[reduce the number of calls to depset](https://warn.docs.bazel.build/versions/master/skylark/performance.html#reduce-the-number-of-calls-to-depset).
+[reduce the number of calls to depset](https://docs.bazel.build/versions/master/skylark/performance.html#reduce-the-number-of-calls-to-depset).
 
 --------------------------------------------------------------------------------
 
@@ -399,7 +399,7 @@ To fix the issue just change the name attribute of one rule/macro.
   * [Suppress the warning](#suppress): `# buildifier: disable=filetype`
 
 The function `FileType` is deprecated. Instead of using it as an argument to the
-[`rule` function](https://warn.docs.bazel.build/versions/master/skylark/lib/globals.html#rule)
+[`rule` function](https://docs.bazel.build/versions/master/skylark/lib/globals.html#rule)
 just use a list of strings.
 
 --------------------------------------------------------------------------------
@@ -532,7 +532,7 @@ Transforming `x += [expr]` to `x.append(expr)` avoids a list allocation.
 
 ### Background
 
-[load](https://warn.docs.bazel.build/versions/master/skylark/concepts.html#loading-an-extension)
+[load](https://docs.bazel.build/versions/master/skylark/concepts.html#loading-an-extension)
 is used to import definitions in a BUILD file. If the definition is not used in
 the file, the load can be safely removed. If a symbol is loaded two times, you
 will get a warning on the second occurrence.
@@ -712,7 +712,7 @@ of a symbol load and its usage can change resulting in runtime error.
   * [Suppress the warning](#suppress): `# buildifier: disable=output-group`
 
 The `output_group` field of a target is deprecated in favor of the
-[`OutputGroupInfo` provider](https://warn.docs.bazel.build/versions/master/skylark/lib/OutputGroupInfo.html).
+[`OutputGroupInfo` provider](https://docs.bazel.build/versions/master/skylark/lib/OutputGroupInfo.html).
 
 --------------------------------------------------------------------------------
 
@@ -749,9 +749,9 @@ x = depset(..., transitive = [y.deps for y in ...])
 ```
 
 For more information, read Bazel documentation about
-[depsets](https://warn.docs.bazel.build/versions/master/skylark/depsets.html)
+[depsets](https://docs.bazel.build/versions/master/skylark/depsets.html)
 and
-[reducing the number of calls to depset](https://warn.docs.bazel.build/versions/master/skylark/performance.html#reduce-the-number-of-calls-to-depset).
+[reducing the number of calls to depset](https://docs.bazel.build/versions/master/skylark/performance.html#reduce-the-number-of-calls-to-depset).
 
 --------------------------------------------------------------------------------
 
@@ -763,7 +763,7 @@ and
   * [Suppress the warning](#suppress): `# buildifier: disable=package-name`
 
 The global variable `PACKAGE_NAME` is deprecated, please use
-[`native.package_name()`](https://warn.docs.bazel.build/versions/master/skylark/lib/native.html#package_name)
+[`native.package_name()`](https://docs.bazel.build/versions/master/skylark/lib/native.html#package_name)
 instead.
 
 --------------------------------------------------------------------------------
@@ -873,7 +873,7 @@ AllInfo = provider("This provider accepts any field.", fields = None)
 NoneInfo = provider("This provider cannot have fields.", fields = [])
 ```
 
-See the [documentation for providers](https://warn.docs.bazel.build/versions/master/skylark/lib/globals.html#provider).
+See the [documentation for providers](https://docs.bazel.build/versions/master/skylark/lib/globals.html#provider).
 
 --------------------------------------------------------------------------------
 
@@ -906,7 +906,7 @@ forbid reassignment, but not every side-effect.
   * [Suppress the warning](#suppress): `# buildifier: disable=repository-name`
 
 The global variable `REPOSITORY_NAME` is deprecated, please use
-[`native.repository_name()`](https://warn.docs.bazel.build/versions/master/skylark/lib/native.html#repository_name)
+[`native.repository_name()`](https://docs.bazel.build/versions/master/skylark/lib/native.html#repository_name)
 instead.
 
 --------------------------------------------------------------------------------
@@ -932,9 +932,9 @@ know certain parts of the code cannot be reached, add the statement
   * [Suppress the warning](#suppress): `# buildifier: disable=rule-impl-return`
 
 Returning structs from rule implementation functions is
-[deprecated](https://warn.docs.bazel.build/versions/master/skylark/rules.html#migrating-from-legacy-providers),
+[deprecated](https://docs.bazel.build/versions/master/skylark/rules.html#migrating-from-legacy-providers),
 consider using
-[providers](https://warn.docs.bazel.build/versions/master/skylark/rules.html#providers)
+[providers](https://docs.bazel.build/versions/master/skylark/rules.html#providers)
 or lists of providers instead.
 
 --------------------------------------------------------------------------------
@@ -947,7 +947,7 @@ or lists of providers instead.
 
 ### Background
 
-[load](https://warn.docs.bazel.build/versions/master/skylark/concepts.html#loading-an-extension)
+[load](https://docs.bazel.build/versions/master/skylark/concepts.html#loading-an-extension)
 is used to import definitions in a BUILD file. If the same label is used for loading
 symbols more the ones, all such loads can be merged into a single one.