rpm: remove ability to install ceph community version
rpm: remove ability to install ceph community version

Downstream version of ceph-ansible could still trigger install from
upstream repo and import keys.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1503019
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

travmi/ceph-ansible,font/ceph-ansible,ceph/ceph-ansible,jtaleric/ceph-ansible,font/ceph-ansible,jtaleric/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible