[DOCS] Updates pull and issue release attributes (#58348)

Author: lcawl

docs/Versions.asciidoc

@@ -8,10 +8,6 @@ include::{docs-root}/shared/versions/stack/{source_branch}.asciidoc[]
 :build_flavor:          default
 :build_type:            tar
 
-:issue:           https://github.com/elastic/elasticsearch/issues/
-:ml-issue:        https://github.com/elastic/ml-cpp/issues/
-:pull:            https://github.com/elastic/elasticsearch/pull/
-:ml-pull:         https://github.com/elastic/ml-cpp/pull/
 :docker-repo:     docker.elastic.co/elasticsearch/elasticsearch
 :docker-image:    {docker-repo}:{version}
 :plugin_url:      https://artifacts.elastic.co/downloads/elasticsearch-plugins

docs/reference/cat/tasks.asciidoc

@@ -4,7 +4,7 @@
 <titleabbrev>cat task management</titleabbrev>
 ++++
 
-beta::["The cat task management API is new and should still be considered a beta feature. The API may change in ways that are not backwards compatible.",{issue}51628]
+beta::["The cat task management API is new and should still be considered a beta feature. The API may change in ways that are not backwards compatible.",{es-issue}51628]
 
 Returns information about tasks currently executing in the cluster,
 similar to the <<tasks,task management>> API.

docs/reference/cluster/tasks.asciidoc

@@ -4,7 +4,7 @@
 <titleabbrev>Task management</titleabbrev>
 ++++
 
-beta::["The task management API is new and should still be considered a beta feature. The API may change in ways that are not backwards compatible.",{issue}51628]
+beta::["The task management API is new and should still be considered a beta feature. The API may change in ways that are not backwards compatible.",{es-issue}51628]
 
 Returns information about the tasks currently executing in the cluster.
 

docs/reference/migration/migrate_7_8.asciidoc

@@ -27,7 +27,7 @@ See also <<release-highlights>> and <<es-release-notes>>.
 ====
 *Details*
 The privilege named `indices:admin/create` will no longer allow the auto
-creation of indices. Use `create_index` instead. {pull}55858[#55858]
+creation of indices. Use `create_index` instead. {es-pull}55858[#55858]
 ====
 
 .`value_count` aggregation optimization
@@ -37,7 +37,7 @@ creation of indices. Use `create_index` instead. {pull}55858[#55858]
 Scripts used in `value_count` will now receive a number if they are
 counting a numeric field and a `GeoPoint` if they are counting a
 `geo_point` fields.  They used to always receive the `String`
-representation of those values.  {pull}54854[#54854]
+representation of those values.  {es-pull}54854[#54854]
 ====
 
 [discrete]