Use a bootstrap key for rgw
Use a bootstrap key for rgw

Following the best practice, we don't create a key from the monitor but
we really on the initial keys created by the mons to bootstrap each
daemon.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

ceph/ansible-ceph-mon,staticfork/ansible-ceph-mon