Retire openstack-ansible unused roles
Retire openstack-ansible unused roles

The patch endings project gate for unused
OpenStack Ansible roles for the purposes of
retiring these roles.

Depends-On: https://review.openstack.org/650413

Change-Id: I10fda3f6c7908023c6fbf741dcdb5fb039c95589

openstack-infra/project-config,openstack-infra/project-config