def delDiscoHandler(self,node='',jid=''):
        node,key=self._traversePath(node,jid)
        if node:
            handler=node[key]
            del node[dict][node[str]]
            return handler
Unregisters DISCO handler that is resonsible for this
dataset/ETHPy150Open CouchPotato/CouchPotatoServer/libs/xmpp/browser.py/Browser.delDiscoHandler