Revert "up readme"

This reverts commit dc8af3a460.

README.md

@@ -36,8 +36,6 @@
     - 自动获取ID服务器和KEY
     - 自动获取地址簿
     - 游客通过临时分享链接直接远程到设备
-- Web Client V2 Preview
-    - 暂时只是将官方预览版集成，后面会根据情况进行更新
 
 ## 使用前准备
 

README_EN.md

@@ -35,8 +35,7 @@ desktop software that provides self-hosted solutions.
     - Automatically obtain ID server and KEY
     - Automatically obtain address book
     - Visitors are remotely to the device via a temporary sharing link
-- Web Client V2 Preview
-    - Temporarily integrated the official preview version, updates will be made as needed
+
 ## Prerequisites
 
 ### [Rustdesk](https://github.com/rustdesk/rustdesk)