Revert "Merge branch 'docs/patch-guide-link-to-old-guide' into 'master'"
Reverting in favor of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7892
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Reverting in favor of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7892