'Delete the snapshot.
:param array: the array serial number
:param snap_name: the name for the snap shot
:param source_group_name: the source group name'

def delete_group_replica(self, array, snap_name, source_group_name):

    LOG.debug('Deleting    Snap    Vx    snapshot:    source    group:    %(srcGroup)s    snapshot:    %(snap_name)s.', {'srcGroup': source_group_name, 'snap_name': snap_name})
    self.rest.delete_storagegroup_snap(array, snap_name, source_group_name)
