Merge branch 'remove-gon-variable' into 'master'
Unused gon variable with very bad performance ## What does this MR do? Remove an unused variable with a lot of performance penalty. It was opening a transaction just to return a constant string. ## Does this MR meet the acceptance criteria? - [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added See merge request !4969