Update local.bro for Bro 2.2

Removed some commented-out code that no longer works in Bro 2.2 (because
Notice::policy is now a hook).
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  Update local.bro for Bro 2.2

Adding to BIT-1095.
Updating submodule(s).

 [nomail]