Update README.md

Author: limxdev

README.md

@@ -46,8 +46,6 @@ The developer [mailing list](https://groups.google.com/forum/#!forum/bitcore-dev
 should be used to discuss complicated or controversial changes before working
 on a patch set.
 
-Developer IRC can be found on Freenode at #bitcore-dev.
-
 Testing
 -------