Use bundled `mail_room config` from gitlab-rails
This MR is a follow up on gitlab-org/gitlab-ce!9385. After the changes on the previous MR gets merged, we can remove code from omnibus.
Closes #1363 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This MR is a follow up on gitlab-org/gitlab-ce!9385. After the changes on the previous MR gets merged, we can remove code from omnibus.
Closes #1363 (closed)