Clean up README by removing shield images and links

They are partly outdated, and of not much use in this context imo

Author: lazka

README.md

@@ -1,14 +1,3 @@
-<p align="center">
-  <a title="msys2.github.io" href="https://msys2.github.io"><img src="https://img.shields.io/website.svg?label=msys2.github.io&longCache=true&style=flat-square&url=http%3A%2F%2Fmsys2.github.io%2Findex.html&logo=github"></a><!--
-  -->
-  <a title="Join the chat at https://gitter.im/msys2/msys2" href="https://gitter.im/msys2/msys2"><img src="https://img.shields.io/badge/chat-on%20gitter-4db797.svg?longCache=true&style=flat-square&logo=gitter&logoColor=e8ecef&label=Chat"></a><!--
-  -->
-  <a title="'Test' workflow Status" href="https://github.com/msys2/setup-msys2/actions/workflows/Test.yml"><img alt="'Test' workflow Status" src="https://img.shields.io/github/actions/workflow/status/msys2/setup-msys2/Test.yml?branch=main&longCache=true&style=flat-square&label=Test&logo=github"></a><!--
-  -->
-  <a title="'Example PKGBUILD' workflow Status" href="https://github.com/msys2/setup-msys2/actions/workflows/Tool.yml"><img alt="'Example PKGBUILD' workflow Status" src="https://img.shields.io/github/actions/workflow/status/msys2/setup-msys2/Tool.yml?branch=main&longCache=true&style=flat-square&label=Example%20PKGBUILD&logo=github"></a><!--
-  -->
-</p>
-
 # Setup MSYS2
 
 **setup-msys2** is a GitHub Action (GHA) to setup an [MSYS2](https://www.msys2.org/) environment (i.e. MSYS,