README: Remove IRC from the 'Getting in contact" section

The IRC channel is barely active and not used by any of the core
maintainers.

Change-Id: If036f3cb93ef514c6857d1179fb810f412ebdb06
diff --git a/README.md b/README.md
index 1ca01d5..da891ea 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,6 @@
 
 ## Getting in contact
 
-The IRC channel on freenode is #gerrit. An archive is available at:
-[echelog.com](http://echelog.com/logs/browse/gerrit).
-
 The Developer Mailing list is [repo-discuss on Google Groups](https://groups.google.com/forum/#!forum/repo-discuss).
 
 ## License