Ubuntu: Use debian-<release> ceph repo
Ubuntu: Use debian-<release> ceph repo

According to the Ceph documentation[1] we should use the debian-* repo
for ubuntu and the ceph-deb-* repo no longer exists.

[1] https://docs.ceph.com/en/latest/install/get-packages/#ceph-release-packages

Change-Id: I7de0394eec856fc6d242f7b4872694324fdd12b7

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration