code: function(node, call_back) {
          var that = this._connection;
          var iqid = that.getUniqueId("pubsubdeletenode");
  
          var iq = $iq({from:this.jid, to:this.service, type:'set', id:iqid})
            .c('pubsub', {xmlns:Strophe.NS.PUBSUB_OWNER})
            .c('delete', {node:node});
  
          that.addHandler(call_back, null, 'iq', null, iqid, null);
          that.send(iq.tree());
  
          return iqid;
      }
docs: Function: deleteNode
  Delete a pubsub node.
  
  Parameters:
  (String) node -  The name of the pubsub node.
  (Function) call_back - Called on server response.
  
  Returns:
  Iq id