only display events in irc on gate issues

check fails all the time, on totally crappy patches, we really
don't want to get spam on terrible patches failing for terrible
reasons. Only for things which should never fail, which is the
gate.

Change-Id: I4e8c5b338c4a1d042acc0e274ac4e78497372a83
Merge "only display events in irc on gate issues"