doc: runtime deprecate util.log

Author: marco-ippolito

doc/api/deprecations.md

@@ -1311,6 +1311,9 @@ The [`util.isUndefined()`][] API is deprecated.
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/50487
+    description: Runtime deprecation.
   - version: v6.12.0
     pr-url: https://github.com/nodejs/node/pull/10116
     description: A deprecation code has been assigned.
@@ -1319,7 +1322,7 @@ changes:
     description: Documentation-only deprecation.
 -->
 
-Type: Documentation-only
+Type: Runtime
 
 The [`util.log()`][] API is deprecated.
 

lib/util.js

@@ -397,7 +397,7 @@ module.exports = {
   isError: deprecate(isError, 'The `util.isError API is deprecated.', 'DEP0048'),
   isFunction: deprecate(isFunction, 'The `util.isFunction API is deprecated.', 'DEP0049'),
   isPrimitive: deprecate(isPrimitive, 'The `util.isPrimitive API is deprecated.', 'DEP0054'),
-  log,
+  log: deprecate(log, 'The `util.log API is deprecated.', 'DEP0059'),
   promisify,
   stripVTControlCharacters,
   toUSVString,