code: function (loadBalancer, node, callback) {
      var self = this,
          loadBalancerId =
            loadBalancer instanceof lb.LoadBalancer ? loadBalancer.id : loadBalancer,
          nodeId =
            node instanceof lb.Node ? node.id : node;
  
      self._request({
        path: urlJoin(_urlPrefix, loadBalancerId, 'nodes', nodeId),
        method: 'DELETE'
      }, function (err) {
        callback(err);
      });
    }
docs: client.removeNode
  
  @description remove a node from a load balancer
  
  @param {Object}          loadBalancer      the loadBalancer or loadBalancerId
  @param {Object}          node              the node or nodeId to remove
  @param {function}        callback