MB-100: stop shuffling nodes in REST API outputs

It was broken in 2.2 anyways and I was told clients are randomizing
capi node anyways.

Change-Id: Idb6b07e518b751e8eb54a35c5b0bb66364316853
Reviewed-on: http://review.couchbase.org/30150
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Artem Stemkovski <artem@couchbase.com>