chore: clean up doc

Author: ulivz

README.md

@@ -29,7 +29,6 @@ https://vuepress.vuejs.org/
 
 VuePress is still a work in progress. There are a few things that it currently does not support but are planned:
 
-- Algolia DocSearch Integration
 - Blogging support
 
 Contributions are welcome!

docs/guide/README.md

@@ -31,7 +31,6 @@ Each markdown file is compiled into HTML with [markdown-it](https://github.com/m
 
 VuePress is still a work in progress. There are a few things that it currently does not support but are planned:
 
-- Algolia DocSearch Integration
 - Blogging support
 
 Contributions are welcome!

docs/zh/guide/README.md

@@ -29,7 +29,6 @@ VuePress 由两部分组成：一部分是支持用 Vue 开发主题的极简静
 
 VuePress 仍然处于开发中，这里有一些目前还不支持、但已经在计划中的特性：
 
-- Algolia DocSearch 的集成
 - 博客系统
 
 我们欢迎你为 VuePress 的开发作出贡献。