delete release notes

content/zh/menu/index.md

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 headless: true
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-- [发行说明]({{< relref "/docs/Releasenotes/release_notes.md" >}})
-    - [法律声明]({{< relref "/docs/Releasenotes/法律声明.md" >}})
-    - [openEuler 1.0 版本发行说明]({{< relref "/docs/Releasenotes/openEuler-1-0-版本发行说明.md" >}})
-    - [简介]({{< relref "/docs/Releasenotes/简介.md" >}})
-    - [基础参数说明]({{< relref "/docs/Releasenotes/基础参数说明.md" >}})
-    - [技术特性]({{< relref "/docs/Releasenotes/技术特性.md" >}})
-        - [系统安装]({{< relref "/docs/Releasenotes/系统安装.md" >}})
-        - [文件系统]({{< relref "/docs/Releasenotes/文件系统.md" >}})
-        - [内核]({{< relref "/docs/Releasenotes/内核.md" >}})
-        - [系统管理]({{< relref "/docs/Releasenotes/系统管理.md" >}})
-        - [编译器]({{< relref "/docs/Releasenotes/编译器.md" >}})
-        - [OpenSSL加速器]({{< relref "/docs/Releasenotes/OpenSSL加速器.md" >}})
-        - [系统安全]({{< relref "/docs/Releasenotes/系统安全.md" >}})
-        - [系统调测]({{< relref "/docs/Releasenotes/系统调测.md" >}})
-        - [虚拟化]({{< relref "/docs/Releasenotes/虚拟化.md" >}})
-        - [容器]({{< relref "/docs/Releasenotes/容器.md" >}})
-        - [支持鲲鹏生态]({{< relref "/docs/Releasenotes/支持鲲鹏生态.md" >}})
- 
 - [安装指南]({{< relref "/docs/Installation/installation.md" >}})
     - [法律声明]({{< relref "/docs/Installation/法律声明.md" >}})
     - [前言]({{< relref "/docs/Installation/前言.md" >}})