fix：更新说明

Author: spiritLHLS

docs/en/guide/oneclickvirt/oneclickvirt_install.md

@@ -370,16 +370,6 @@ admin
 Admin123!@#
 ```
 
-Regular user account username and password are:
-
-```
-testuser
-```
-
-```
-TestUser123!@#
-```
-
 During initialization, all image seed data is loaded into the database by default, but by default only ```debian``` and ```alpine``` related version images are enabled. This is to avoid user choice paralysis caused by too many enabled images.
 
 If you need additional types of images, you need to search and enable them by type, architecture, and version in the system image management interface under administrator privileges.

docs/guide/oneclickvirt/oneclickvirt_install.md

@@ -374,16 +374,6 @@ admin
 Admin123!@#
 ```
 
-普通用户账户名密码分别为：
-
-```
-testuser
-```
-
-```
-TestUser123!@#
-```
-
 初始化过程中，默认加载了所有的镜像种子数据到数据库中，但是默认仅启用了```debian```和```alpine```相关版本的镜像，这是为了避免过多镜像启用导致用户选择困难。
 
 如果你需要额外类型的镜像，需要在管理员权限下，在系统镜像管理界面按照类型、架构、版本搜索并进行启用。