dropped never used "resources" REST API endpoints

Change-Id: I7c8f3f76716569ee6cd6abe8687c58b1a6d3c777
Reviewed-on: http://review.couchbase.org/35932
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>