refactor: 去除多余banner查询

app/usmobile/controller/TopsNas.php

@@ -251,15 +251,12 @@ class TopsNas extends BaseController
 
     public function download()
     {
-        $focus_image = [];
         $downloads = [];
         // 获取banner
-        $banners = $this->getBanners([129, 130]);
+        $banners = $this->getBanners([129]);
         if (!empty($banners)) {
-            $focus_image = $banners['typeid_130']['banners'];
             $downloads = $banners['typeid_129']['banners'];
         }
-        $this->assign('focus_image', $focus_image);
         $this->assign('downloads', $downloads);
         
         return $this->fetch();