Drop jruby

Author: biow0lf

README.md

@@ -1,7 +1,6 @@
 # Errbit GitHub Plugin
 
 [![RSpec](https://github.com/errbit/errbit_github_plugin/actions/workflows/rspec.yml/badge.svg)](https://github.com/errbit/errbit_github_plugin/actions/workflows/rspec.yml)
-[![RSpec on JRuby](https://github.com/errbit/errbit_github_plugin/actions/workflows/jruby.yml/badge.svg)](https://github.com/errbit/errbit_github_plugin/actions/workflows/jruby.yml)
 [![Ruby Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://github.com/standardrb/standard)
 
 This plugin provides GitHub issue tracker integration for Errbit, and it is the