MB-12361:bp: dropped never used "resources" REST API endpoints

Orig-Reviewed-on: http://review.couchbase.org/35932

Conflicts:
	src/ns_storage_conf.erl

This is near-trivial cherry-pick.

Change-Id: I147a9919a626ccae35b6e2d5960a2ede6c46e8e7
Reviewed-on: http://review.couchbase.org/42175
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>