Merge branch 'libre-to-core-ee' into 'master'

Ports https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/22533 to EE

See merge request gitlab-org/gitlab-ee!8264

doc/ci/yaml/README.md

@@ -1602,10 +1602,11 @@ test:
 
 ## `include`
 
-> Introduced in [GitLab Edition Premium][ee] 10.5.
-> Available for Starter, Premium and Ultimate [versions][gitlab-versions] since 10.6.
+> Introduced in [GitLab Premium](https://about.gitlab.com/pricing/) 10.5.
+> Available for Starter, Premium and Ultimate since 10.6.
 > Behaviour expanded in GitLab 10.8 to allow more flexible overriding.
-> Available for Libre since [11.4](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21603)
+> [Moved](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21603)
+to GitLab Core in 11.4
 
 Using the `include` keyword, you can allow the inclusion of external YAML files.
 
@@ -2182,5 +2183,3 @@ CI with various languages.
 [ce-12909]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12909
 [schedules]: ../../user/project/pipelines/schedules.md
 [variables-expressions]: ../variables/README.md#variables-expressions
-[ee]: https://about.gitlab.com/gitlab-ee/
-[gitlab-versions]: https://about.gitlab.com/products/