code: function (anotherTarget) {
              var self = this, targets = self.getTargets(), index = util.indexOf(anotherTarget, targets);
              if (index !== -1) {
                  targets.splice(index, 1);
              }
              return self;
          }
docs: Removes a bubble target
  @method removeTarget
  @param {KISSY.Event.CustomEvent.Target} anotherTarget Another EventTarget instance to remove
  @chainable