Clarify GitHub issue tracking and Contributor's Guide

Updated references to the Contributor's Guide and issue tracking.

Author: kavyamsft

SUPPORT.md

@@ -22,13 +22,9 @@ For bugs, documentation problems, feature requests, and general questions, use G
 
 ## Bugs, docs, and feature requests
 
-This project uses [GitHub issues][gh-issue] to [track bugs][gh-bug] and [feature requests][gh-feature]. For guidance, see [how to report issues](https://aka.ms/azurelinux-reportissues).
+This project uses GitHub issues to track bugs and feature requests. For guidance, see [How to report issues](https://aka.ms/azurelinux-reportissues).
 
 ## Questions
 
-For questions about using this project, please look at our [Contributor's Guide][CONTRIBUTING.md].
+For questions about using this project, please look at our [Contributor's guide](./CONTRIBUTING.md).
 
-[gh-issue]: https://github.com/microsoft/azurelinux/issues
-[gh-bug]: https://github.com/microsoft/azurelinux/issues?q=is%3Aissue+label%3Abug
-[gh-feature]: https://github.com/microsoft/azurelinux/issues?q=is%3Aissue+label%3Afeature
-[CONTRIBUTING.md]: ./CONTRIBUTING.md