Update blog post requirements for SE
This requirement is no longer valid due to a change in the docs process. See https://gitlab.com/gitlab-com/gitlab-docs/issues/89
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This requirement is no longer valid due to a change in the docs process. See https://gitlab.com/gitlab-com/gitlab-docs/issues/89