removeType = function(t){
     data.handlers[t] = [];
     vjs.cleanUpEvents(elem,t);
  }
Removes event listeners from an element
@param  {Element|Object}   elem Object to remove listeners from
@param  {String=}   type Type of listener to remove. Don't include to remove all events from element.
@param  {Function} fn   Specific listener to remove. Don't incldue to remove listeners for an event type.
@private