code: function ( type, listener, useCapture ) {
              var events = this.__eventPool__[type],
                  crossType = this._getCrossType( type ),
                  evtLength = 0, i;
      
              if ( events ) {
                  evtLength = events.length;
      
                  if ( $B.isFunction(listener) ) {
                      for ( i = 0; i < evtLength; ++i ) {
                          var eData = events[i];
                          if ( listener === eData.listener && $B.isEqual(eData.options.useCapture, this._getEventOption(useCapture)) ) {
                              this._target.removeEventListener( crossType, eData.options.wrapHandler, eData.options.useCapture );
                              events.splice( $B.array.indexOf(events, events[i]), 1 );
                          }
                      }
                  } else {
                      for ( i = 0; i < evtLength; ++i ) {
                          this._target.removeEventListener( crossType, events[i].options.wrapHandler, events[i].options.useCapture );
                      }
      
                      delete this.__eventPool__[type];
                  }
              } else {
                  for ( var key in this.__eventPool__ ) {
                      events = this.__eventPool__[key];
                      crossType = this._getCrossType( key );
                      evtLength = events.length;
      
                      for ( i = 0; i < evtLength; ++i ) {
                          this._target.removeEventListener( crossType, events[i].options.wrapHandler, events[i].options.useCapture );
                      }
                  }
                  this.__eventPool__ = {};
              }
              return this;
          }
docs: 이벤트 삭제, type만 입력하면 해당 타입과 일치하는 이벤트 모두 삭제, type listener모두 설정하지 않으면 대상의 모든 이벤트 삭제
  @param	{String}	type		touchstart, touchmove, touchend, touchcancel
  @param	{Function}	listener		event listener
  @param	{Boolean|Object}	useCapture || options	capture, passive 등을 확인 후 삭제
  @return	{TouchEvent}