Remove the ceilometer api and move bootstrap into notification

since the ceilometer-api is marked as deprecated and useless, it should
be remove from kolla, but bootstrap action is need, so move it into
notification is a good choice.
refer to https://github.com/openstack/kolla-ansible/blob/master/releasenotes/notes/remove-ceilometer-useless-service-4e210ddc1c48ac48.yaml#L4

Depends_on: Iea0a46aead14e238fe102d4127b7774dbc2be0e4

Change-Id: Ie8b69e2a0125ea08bb0561991e8e5047bfe47910