Update README.md

Author: tcurdt

README.md

@@ -1,7 +1,6 @@
 [![Build Status](https://img.shields.io/github/actions/workflow/status/tcurdt/jdeb/ci.yml?style=for-the-badge)](https://github.com/tcurdt/jdeb/actions)
 [![Coverage Status](https://img.shields.io/codecov/c/github/tcurdt/jdeb/master?style=for-the-badge)](https://codecov.io/gh/tcurdt/jdeb)
 [![Maven Central](https://img.shields.io/maven-central/v/org.vafer/jdeb.svg?style=for-the-badge&maxAge=86400)](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.vafer%22%20AND%20a%3A%22jdeb%22)
-[![Join the chat](https://img.shields.io/gitter/room/tcurdt/jdeb?style=for-the-badge)](https://gitter.im/tcurdt/jdeb?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 # Debian packages in Java
 
@@ -28,8 +27,6 @@ If you feel adventurous or want to help out feel free to get the latest code
 
 ## Where to ask questions
 
-[via gitter](https://gitter.im/tcurdt/jdeb)
-
 [via git issue](https://github.com/tcurdt/jdeb/issues)