Remove `prevent_modifications_of_mr_rules_post_merge` flag
requested to merge 17331-feature-flag-rollout-of-prevent_modifications_of_mr_rules_post_merge into master
Why/What
For compliance, after merging, we need to prevent changes to the approval state of a Merge Request.
This merge request is to remove the feature flag that prevents changes
Closes #17331 (closed)
Edited by Marc Shaw