Remove dangling RUVs even if replicas are offline

Previously, an offline replica would mean the RUVs cannot
be removed otherwise the task would be hanging in the DS.
This is fixed in 389-ds 1.3.5.

https://fedorahosted.org/freeipa/ticket/5396

Reviewed-By: Martin Basti <mbasti@redhat.com>
Reviewed-By: Ludwig Krispenz <lkrispen@redhat.com>

ipaserver/install/replication.py

@@ -1353,6 +1353,7 @@ class ReplicationManager(object):
                 'cn': ['clean %d' % replicaId],
                 'replica-base-dn': [self.db_suffix],
                 'replica-id': [replicaId],
+                'replica-force-cleaning': ['yes'],
             }
         )
         try: