!45 升级手册本次不合入，删除index中在相关内容。

Merge pull request !45 from fhxing/master

content/zh/menu/index.md

@@ -828,25 +828,6 @@ headless: true
     - [附录]({{< relref "/docs/A-Tune/附录.md" >}})
         - [术语和缩略语]({{< relref "/docs/A-Tune/术语和缩略语.md" >}})
 
-- [升级指导书]({{< relref "/docs/Ugrade/upgrade.md" >}})
-    - [法律声明]({{< relref "/docs/Ugrade/法律声明.md" >}})
-    - [前言]({{< relref "/docs/Ugrade/前言.md" >}})
-    - [升级前准备]({{< relref "/docs/Ugrade/升级前准备.md" >}})
-        - [升级路径]({{< relref "/docs/Ugrade/升级路径.md" >}})
-        - [升级影响]({{< relref "/docs/Ugrade/升级影响.md" >}})
-        - [升级注意事项]({{< relref "/docs/Ugrade/升级注意事项.md" >}})
-        - [配置repo源]({{< relref "/docs/Ugrade/配置repo源.md" >}})
-            - [获取ISO镜像]({{< relref "/docs/Ugrade/获取ISO镜像.md" >}})
-            - [挂载ISO并配置为repo源]({{< relref "/docs/Ugrade/挂载ISO并配置为repo源.md" >}})
-    - [升级操作]({{< relref "/docs/Ugrade/升级操作.md" >}})
-        - [升级前检查]({{< relref "/docs/Ugrade/升级前检查.md" >}})
-        - [升级]({{< relref "/docs/Ugrade/升级.md" >}})
-        - [升级后验证]({{< relref "/docs/Ugrade/升级后验证.md" >}})
-    - [常见异常问题处理]({{< relref "/docs/Ugrade/常见异常问题处理.md" >}})
-        - [如何处理系统升级中断]({{< relref "/docs/Ugrade/如何处理系统升级中断.md" >}})
-        - [系统一直停留在某一软件包安装阶段]({{< relref "/docs/Ugrade/系统一直停留在某一软件包安装阶段.md" >}})
-        - [升级软件包时出现冲突或缺少软件包]({{< relref "/docs/Ugrade/升级软件包时出现冲突或缺少软件包.md" >}})
-
 
 - [应用开发指南]({{< relref "/docs/ApplicationDev/application-development.md" >}})
     - [法律声明]({{< relref "/docs/ApplicationDev/法律声明.md" >}})