fixes bugs to modify analysis js to async

@@ -28,5 +28,5 @@
         s.parentNode.insertBefore(hm, s);
     })();
 </script>
-<script src="http://static.yohobuy.com/js/analytics/analysis.js"></script>
-<script src="http://static.yohobuy.com/m/v1/js/om_code.js"></script>
+<script src="http://static.yohobuy.com/js/analytics/analysis.js" async="async"></script>
+<script src="http://static.yohobuy.com/m/v1/js/om_code.js" async="async"></script>

@@ -3,7 +3,6 @@
 use Action\AbstractAction;
 use LibModels\Wap\Guang\DetailData;
 use LibModels\Wap\Product\ListData;
-use LibModels\Wap\Guang\OptData;
 use Plugin\Helpers;
 
 /**