[Buildbot] #3164: disable daily system reports?

[Buildbot trac]

#3164: disable daily system reports?
-------------------+-------------------------
Reporter:  dustin  |      Owner:
    Type:  task    |     Status:  new
Priority:  minor   |  Milestone:  sys - other
 Version:          |   Keywords:
-------------------+-------------------------
 We get a "daily (security) run output" email every day.

 If these aren't useful, we should disable them.

 If they are useful, I'm happy to filter them to /dev/null in my mail
 client.

--
Ticket URL: <http://trac.buildbot.net/ticket/3164>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation