@Override
    public void initialize(XMPPServer server) {
        super.initialize(server);
        serverFeatures = CacheFactory.createCache("Disco Server Features");
        addServerFeature(NAMESPACE_DISCO_INFO);
        setProvider(server.getServerInfo().getXMPPDomain(), getServerInfoProvider());
        // Listen to cluster events
        ClusterManager.addListener(this);
    }
Removes a feature from the information returned whenever a disco for information is
made against the server.

@param namespace the namespace of the feature to be removed.
xmppserver/src/main/java/org/jivesoftware/openfire/disco/IQDiscoInfoHandler.java