!3601 删除website和readme中多余的目录结构，不涉及翻译。

Merge pull request !3601 from liyan/OpenHarmony-3.1-Release

en/device-dev/quick-start/Readme-EN.md

@@ -19,7 +19,6 @@
             - [Burning](quickstart-ide-lite-steps-hi3516-burn.md)
             - [Running](quickstart-ide-lite-steps-hi3516-running.md)
     - Appendix
-        - Introduction to Development Boards
         - [Introduction to the Hi3861 Development Board](quickstart-ide-lite-introduction-hi3861.md)
         - [Introduction to the Hi3516 Development Board](quickstart-ide-lite-introduction-hi3516.md)
 - Getting Started with Mini and Small Systems (Installation Package Mode)
@@ -67,7 +66,6 @@
             - [Burning](quickstart-ide-standard-running-rk3568-burning.md)
             - [Running](quickstart-ide-standard-running-rk3568-running.md)
     - Appendix
-        - Introduction to Development Boards
         - [Introduction to the Hi3516 Development Board](quickstart-ide-standard-board-introduction-hi3516.md)
         - [Introduction to the RK3568 Development Board](quickstart-ide-standard-board-introduction-rk3568.md)
 - Getting Started with Standard System (Installation Package Mode)

en/device-dev/website.md

@@ -20,7 +20,6 @@
             - [Burning](quick-start/quickstart-ide-lite-steps-hi3516-burn.md)
             - [Running](quick-start/quickstart-ide-lite-steps-hi3516-running.md)
     - Appendix
-        - Introduction to Development Boards
         - [Introduction to the Hi3861 Development Board](quick-start/quickstart-ide-lite-introduction-hi3861.md)
         - [Introduction to the Hi3516 Development Board](quick-start/quickstart-ide-lite-introduction-hi3516.md)
   - Getting Started with Mini and Small Systems (Installation Package Mode)
@@ -68,7 +67,6 @@
             - [Burning](quick-start/quickstart-ide-standard-running-rk3568-burning.md)
             - [Running](quick-start/quickstart-ide-standard-running-rk3568-running.md)
     - Appendix
-        - Introduction to Development Boards
         - [Introduction to the Hi3516 Development Board](quick-start/quickstart-ide-standard-board-introduction-hi3516.md)
         - [Introduction to the RK3568 Development Board](quick-start/quickstart-ide-standard-board-introduction-rk3568.md)
   - Getting Started with Standard System (Installation Package Mode)

zh-cn/device-dev/quick-start/Readme-CN.md

@@ -19,7 +19,6 @@
             - [烧录](quickstart-ide-lite-steps-hi3516-burn.md)
             - [运行](quickstart-ide-lite-steps-hi3516-running.md)
     - 附录
-        - 开发板介绍
         - [Hi3861开发板介绍](quickstart-ide-lite-introduction-hi3861.md)
         - [Hi3516开发板介绍](quickstart-ide-lite-introduction-hi3516.md)
 - 轻量和小型系统快速入门（安装包方式）
@@ -67,7 +66,6 @@
             - [烧录](quickstart-ide-standard-running-rk3568-burning.md)
             - [运行](quickstart-ide-standard-running-rk3568-running.md)
     - 附录
-        - 开发板介绍
         - [Hi3516开发板介绍](quickstart-ide-standard-board-introduction-hi3516.md)
         - [RK3568开发板介绍](quickstart-ide-standard-board-introduction-rk3568.md)
 - 标准系统快速入门（安装包方式）

zh-cn/device-dev/website.md

@@ -22,7 +22,6 @@
             - [烧录](quick-start/quickstart-ide-lite-steps-hi3516-burn.md)
             - [运行](quick-start/quickstart-ide-lite-steps-hi3516-running.md)
     - 附录
-        - 开发板介绍
         - [Hi3861开发板介绍](quick-start/quickstart-ide-lite-introduction-hi3861.md)
         - [Hi3516开发板介绍](quick-start/quickstart-ide-lite-introduction-hi3516.md)
   - 轻量和小型系统快速入门（安装包方式）
@@ -70,7 +69,6 @@
             - [烧录](quick-start/quickstart-ide-standard-running-rk3568-burning.md)
             - [运行](quick-start/quickstart-ide-standard-running-rk3568-running.md)
     - 附录
-        - 开发板介绍
         - [Hi3516开发板介绍](quick-start/quickstart-ide-standard-board-introduction-hi3516.md)
         - [RK3568开发板介绍](quick-start/quickstart-ide-standard-board-introduction-rk3568.md)
   - 标准系统快速入门（安装包方式）
@@ -95,6 +93,7 @@
         - 开发板介绍
             - [Hi3516开发板介绍](quick-start/quickstart-standard-board-introduction-hi3516.md)
             - [RK3568开发板介绍](quick-start/quickstart-standard-board-introduction-rk3568.md)
+        - [参考信息](quick-start/quickstart-standard-reference.md)
   - [获取源码](get-code/sourcecode-acquire.md)
 
 - 兼容性与安全