@Override
    public void joinedCluster(byte[] nodeID) {
        // Another node joined a cluster that we're already part of. It is expected that
        // the implementation of #joinedCluster() as executed on the cluster node that just
        // joined will synchronize all relevant data. This method need not do anything.
    }
Removes a disco item for a component that has been removed from the server.

@param jid the jid of the component being removed.
xmppserver/src/main/java/org/jivesoftware/openfire/disco/IQDiscoItemsHandler.java