Quiet some additional pre-commit hooks

These aren't terribly interesting checks. Only display them if they
fail.

Change-Id: Id42dc42edd85a2705c058fc76af89a3648921ba0
Reviewed-on: http://gerrit.causes.com/45339
Tested-by: jenkins <jenkins@brigade.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>