This version of GitHub Enterprise was discontinued on August 4th, 2015. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
You can remove repositories simply by control-clicking on a repository in the app, and selecting Remove from the contextual menu.
This will only remove the repository reference from GitHub for Mac. It won't delete your local copy or the remote from GitHub.com.
