Remove legacy GitlabCi module from initializers
What does this MR do?
Removes legacy GitlabCi
module from initializers.
What are the relevant issue numbers?
See #28224 (moved)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Removes legacy GitlabCi
module from initializers.
See #28224 (moved)