Delete missing codes that need to be removed

app/Http/Controllers/Client/Protocols/Stash.php

@@ -23,7 +23,6 @@ class Stash
         $appName = config('v2board.app_name', 'V2Board');
         header("subscription-userinfo: upload={$user['u']}; download={$user['d']}; total={$user['transfer_enable']}; expire={$user['expired_at']}");
         header('profile-update-interval: 24');
-        header("content-disposition: filename={$appName}");
         header("content-disposition: filename*=UTF-8''".rawurlencode($appName));
         // 暂时使用clash配置文件，后续根据Stash更新情况更新
         $defaultConfig = base_path() . '/resources/rules/default.clash.yaml';