fix readme

Author: kaiwu

README.md

@@ -3,9 +3,6 @@
 Bindings for wechat miniprogram, a project template and working demo which uses this package
 can be found at [wechat_dev_tools](https://github.com/kaiwu/wechat_dev_tools)
 
-[![Package Version](https://img.shields.io/hexpm/v/wechat)](https://hex.pm/packages/wechat)
-[![Hex Docs](https://img.shields.io/badge/hex-docs-ffaff3)](https://hexdocs.pm/wechat/)
-
 ## Installation
 
 Add the package to your gleam project
@@ -14,8 +11,6 @@ Add the package to your gleam project
 gleam add wechat
 ```
 
-Further documentation can be found at <https://hexdocs.pm/wechat>.
-
 ## Features
 
 This library contains bindings for many frequently used wechat APIs. Gleam makes it