feat: 移除很多启动配置项，现在不需要了

scripts/README-update-appid.md

@@ -19,24 +19,18 @@
     "clientId": "2",
     "appId": "wx5e79df5996572539",
     "name": "智念",
-    "placeholder": "快告诉智念您在想什么~",
-    "loginDesc": "您好，欢迎来到智念科技",
     "logo": "https://oss.nianxx.cn/mp/static/version_101/login/dh_logo.png"
   },
   "duohua": {
     "clientId": "2",
     "appId": "wx23f86d809ae80259",
     "name": "朵花",
-    "placeholder": "快告诉朵朵您在想什么~",
-    "loginDesc": "您好，欢迎来到朵花温泉",
     "logo": "https://oss.nianxx.cn/mp/static/version_101/login/dh_logo.png"
   },
   "tianmu": {
     "clientId": "4",
     "appId": "wx0be424e1d22065a9",
     "name": "天沐",
-    "placeholder": "快告诉沐沐您在想什么~",
-    "loginDesc": "您好，欢迎来到天沐温泉",
     "logo": "https://oss.nianxx.cn/mp/static/version_101/login/tm_logo.png"
   }
 }
@@ -161,8 +155,6 @@ A: 在 `client-configs.json` 中添加新的客户端配置：
   "clientId": "客户端ID",
   "appId": "微信小程序AppID",
   "name": "客户端显示名称",
-  "placeholder": "输入框占位符文本",
-  "loginDesc": "登录页面描述文本",
   "logo": "@/pages/login/images/logo.png",
 }
 ```