I've been slowly decoupling the provisioning role from infra-ansible
into its own role:
http://git.openstack.org/cgit/openstack/ansible-role-cloud-launcher
Now that it has feature parity and it is gating in OpenStack CI,
just use it and remove setup_openstack_resources roles.
Change-Id: I4810d0bdb57cf1f069f20fb133f5f2afe15e4e87