Remove rails4 specific code
What does this MR do?
Second part of gitlab-org/gitlab-ee#8761. Removes all rails5?
conditionals and rails 4 related code.
EE: gitlab-ee!8870
What are the relevant issue numbers?
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary -
Documentation created/updated -
Tests added for this feature/bug -
Tested in all supported browsers -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides -
Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process. -
Security reports checked/validated by reviewer
Edited by Jasper Maes