Clean log_to_irc.py
Clean log_to_irc.py

Since 776568747e8a44f3f76c670b5775036e2ceed61b message is sent to stdout
instead of directly to irc gateway. This patch removes unnecessary
remains still present after the patch that has removed the code snipset.

Change-Id: I7b4190682e7477d394171e788e79cb2caa266e84

wikimedia/labs-tools-wikibugs2,wikimedia/labs-tools-wikibugs2