Update README.md

Author: midwan

docs/README.md

@@ -6,9 +6,7 @@
 
 [![C/C++ CI](https://github.com/midwan/amiberry/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/midwan/amiberry/actions/workflows/c-cpp.yml)
 
-[![Gitter](https://badges.gitter.im/amiberry/Amiberry.svg)](https://gitter.im/amiberry/Amiberry?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
-
-[![Backers on Open Collective](https://opencollective.com/amiberry/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/amiberry/sponsors/badge.svg)](#sponsors)
+[![Discord](https://img.shields.io/badge/My-Discord-%235865F2.svg)](https://discord.gg/wWndKTGpGV)
 
 ![Amiberry logo](https://i2.wp.com/blitterstudio.com/wp-content/uploads/2020/01/Logo-v3-1.png?resize=768%2C543&ssl=1)