chore: 企业微信配置部分，timestamp、nonceStr、signature 由系统自动生成

src/app/shop/controller/Config.php

@@ -223,9 +223,6 @@ class Config extends BaseShop
                 'secret' => input('secret', ''),
                 'contact_id' => input('contact_id', ''),
                 'contact_url' => input('contact_url', ''),
-                'timestamp' => input('timestamp', ''),
-                'nonceStr' => input('nonceStr', ''),
-                'signature' => input('signature', ''),
                 'enabled' => input('enabled', 0)
             ];
             $this->addLog('修改企业微信配置');