Remove remaining cp of deb file into the docker image
This was missed during our previous fix for https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2253
Fixes: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2263
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This was missed during our previous fix for https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2253
Fixes: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2263