Remove kolla-cli stuff from kolla

The kolla-cli is deprecation [1], it should be clean up from
kolla

[1]: https://review.opendev.org/#/c/749045/

Change-Id: I87cdef55960658e163aedcd9752562aa7784dd8f

README.rst

@@ -50,9 +50,6 @@ kolla-ansible      https://opendev.org/openstack/kolla-ansible
 kayobe             https://opendev.org/openstack/kayobe
 ================   =========================================================
 
-The project `kolla-cli <https://opendev.org/openstack/kolla-cli>`__ is deprecated
-since the Ussuri release and will not be maintained in the future.
-
 The `Docker images <https://docs.docker.com/storage/storagedriver/>`__
 are built by the Kolla project maintainers. A detailed process for
 contributing to the images can be found in the `image building

deliverables.yaml

@@ -8,7 +8,5 @@
   repository: https://opendev.org/openstack/kolla
 - name: kolla-ansible
   repository: https://opendev.org/openstack/kolla-ansible
-- name: kolla-cli
-  repository: https://opendev.org/openstack/kolla-cli
 - name: kayobe
   repository: https://opendev.org/openstack/kayobe