delete links in index.md

Author: ValKmjolnir

doc/index.md

@@ -4,10 +4,3 @@ layout: default
 nav_order: 1
 ---
 ## 文档 (Documentation) 请见[仓库首页](https://github.com/codefuse-ai/CodeFuse-Query)
-
-- [引言](https://github.com/codefuse-ai/CodeFuse-Query/blob/main/doc/1_abstract.md)
-- [概述](https://github.com/codefuse-ai/CodeFuse-Query/blob/main/doc/2_introduction.md)
-- [安装、配置、运行](https://github.com/codefuse-ai/CodeFuse-Query/blob/main/doc/3_install_and_run.md)
-- [GödelScript 查询语言介绍](https://github.com/codefuse-ai/CodeFuse-Query/blob/main/doc/4_godelscript_language.md)
-- [VSCode开发插件](https://github.com/codefuse-ai/CodeFuse-Query/blob/main/doc/5_toolchain.md)
-- [COREF API](https://codefuse-ai.github.io/CodeFuse-Query/godel-api/coref_library_reference.html)