Remove repository_storages field
In !53803 (merged), we removed the accessor for the repository_storages
field. This field is no longer used, so we need to remove it through a post deploy migration. However there is still some validation logic in https://gitlab.com/gitlab-org/gitlab/-/blob/74ba7d4bf4232c04606d0280ad40928d6976ecf3/app/models/application_setting.rb#L306-307 so we would need to remove that as well.