MB-12164 Don't confirm removing of node that was just added.

Change-Id: I6dab4b65367b4167b4d7e44bb4fb678bb10ad9a2
Reviewed-on: http://review.couchbase.org/41428
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>