mon/MgrMonitor: change 'unresponsive' message to info level
Reviewed-by: David Zafman <dzafman@redhat.com>
Reviewed-by: John Spray <john.spray@redhat.com>
We generate a MGR_DOWN health warning at the appropriate points; having
this at WRN level just triggers failed teuthology runs but doesn't much
value for the user.
Clear out teuthology whitelisting for this message.
Fixes: http://tracker.ceph.com/issues/24222
Signed-off-by: Sage Weil <sage@redhat.com>