newconfig: Don't perform redundant check for changes

We get the config from confmon, which itself already performs this check

Change-Id: Ibe0077fd1d449ac1db91c4d73eac3b58fe9f3b2a
Reviewed-on: http://review.couchbase.org/39881
Tested-by: Mark Nunberg <mnunberg@haskalah.org>
Reviewed-by: Brett Lawson <brett19@gmail.com>