code: function stopTracking( tracker ) {
          var delegate = THIS[ tracker.hash ],
              event,
              i;
  
          if ( delegate.tracking ) {
              for ( i = 0; i < $.MouseTracker.subscribeEvents.length; i++ ) {
                  event = $.MouseTracker.subscribeEvents[ i ];
                  $.removeEvent(
                      tracker.element,
                      event,
                      delegate[ event ],
                      false
                  );
              }
  
              clearTrackedPointers( tracker );
  
              delegate.tracking = false;
          }
      }
docs: Stops tracking pointer events on the tracked element.
  @private
  @inner