Remove skip_updating_gitaly_version_rb feature flag
What does this MR do and why?
Remove skip_updating_gitaly_version_rb
feature flag
This feature flag was a temporary toggle to handle a change in gitaly release process, this is no longer necessary and should be removed.
- Related to: gitlab-com/gl-infra/delivery#2580 (comment 1193888875)
- Related to: gitlab-com/gl-infra/delivery#2716
Edited by Alessio Caiazza