code: function(el, className) {
              return Y.Dom.batch(el, Y.Dom._removeClass, className);
          }
docs: Removes a class name from a given element or collection of elements.
  @method removeClass
  @param {String | HTMLElement | Array} el The element or collection to remove the class from
  @param {String} className the class name to remove from the class attribute
  @return {Boolean | Array} A pass/fail boolean or array of booleans