This is a follow up to Ie7ae47e5a624da31cf6cc5cd3c9239450487b8ed, but
for cephadm jobs.

Change-Id: I194529c178efcff0cb2a0ee1e14273389cd8f87f
(cherry picked from commit 4e2af187)

The kolla user is not obligatory and the docs default to keeping
using the existing users.

Needed-By: https://review.opendev.org/c/openstack/ansible-collection-kolla/+/854985
Depends-On: https://review.opendev.org/c/openstack/kolla-ansible/+/855071
Change-Id: I917f493d395cc7efcbf95bc55af8191d70ec3edb

Kolla-Ansible Ceph deployment mechanism has been deprecated in Train [1].

This change removes the Ansible code and associated CI jobs.

[1]: https://review.opendev.org/669214

Change-Id: Ie2167f02ad2f525d3b0f553e2c047516acf55bc2

* Adding zuul centos-source/ubuntu-source ceph-ansible jobs
* Jobs will deploy all Ceph integrated OpenStack components, i.e.
  cinder, glance, nova
* Will utilize core openstack testing script

Depends-On: https://review.opendev.org/685032
Depends-On: https://review.opendev.org/698301

Implements: blueprint ceph-ansible
Change-Id: I233082b46785f74014177f579aeac887a25b2ae2