Deprecate Koding in docs
What does this MR do?
Deprecate Koding in docs
What are the relevant issue numbers?
Follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13992#note_39101448.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Deprecate Koding in docs
Follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13992#note_39101448.