Revert "Merge branch '336436-change-db-index-for-ci_owned_runners' into 'master'"
What does this MR do and why?
Reverts !79729 (merged) as a possible cause of gitlab-com/gl-infra/production#6315 (closed)
Reverts !79729 (merged) as a possible cause of gitlab-com/gl-infra/production#6315 (closed)