doc: drop github actions check in sec release process
We perform that check one week in advance, but a lot of things could happen between the announcement and the release itself, so there's no point in checking it beforehand.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
We perform that check one week in advance, but a lot of things could happen between the announcement and the release itself, so there's no point in checking it beforehand.