function removeTipsys() {
              results.find('.select2-result').each(function(i,el){
                var $el = $(el);
                var tipsy = $el.data('tipsy');
                if (tipsy) {
                  $el
                    .tipsy('hide')
                    .unbind('mouseleave mouseenter');
                }
              })
            }
@param initial whether or not this is the call to this method right after the dropdown has been opened