Remove community.getclef.com reference

Author: jessepollak

README.md

@@ -42,9 +42,6 @@ repository. Feel free to fork the repository and send a pull request,
 once it’s merged in you’ll get added. If not, feel free to bug
 [jessepollak](http://github.com/jessepollak) about it.
 
-Also, if you’re hacking away, hop in the [Clef support room](https://www.hipchat.com/go5kUkq90). Chances are someone else will be around to answer
-questions or bounce ideas off of.
-
 How To Contribute
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