MB-12222: omissions of buckets section

Change-Id: I1264a65e8d04de18c8bdb31a2176d5f7ef463a9f
Reviewed-on: http://review.couchbase.org/44647
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>