MB-100: killed build_bucket_node_infos/5

"Extra arg" was not used.

Change-Id: I30049c5937ad3e066cfca69deccd41bdaa0bc0e5
Reviewed-on: http://review.couchbase.org/27949
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>