@Override
    public Iterator<String> getFeatures() {
        return Collections.singleton(NAMESPACE_DISCO_ITEMS).iterator();
    }
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