Fix to run secure cluster only once in a run
Fix to run secure cluster only once in a run

The current secure cluster play runs with all the monitors. The rerun
of this task is unnecessary and can be skipped.

Fixes: #2737

Signed-off-by: Vishal Kanaujia <c7f6a1f5e738ee0cae07de1a46ea82d78d24c0ab@flipkart.com>

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