mon: fix set crush default rule
mon: fix set crush default rule

On releases after jewel the option
'osd_pool_default_crush_replicated_ruleset' does not exist anymore, it's
called osd_pool_default_crush_rule.

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

font/ceph-ansible,fgal/ceph-ansible,font/ceph-ansible,fgal/ceph-ansible,ceph/ceph-ansible,ceph/ceph-ansible