Bug 927122 - Remove obsolete comment about irc being broken;r=davehunt

.travis.yml

@@ -4,8 +4,6 @@ python:
 install: sudo apt-get update && sudo apt-get install -y python-virtualenv g++ ffmpeg && ./bootstrap.sh
 script: ./bin/python bin/list-tests.py
 notifications:
-  # irc notifications not working with irc.mozilla.org, see: https://github.com/travis-ci/travis-ci/issues/436
-  # (leaving it configured in case this is fixed at some point)
   irc:
     - "irc.mozilla.org#ateam"
   email: