dropped mccouch_port config

Change-Id: I597ad153d54771dec2d8a20b0fff0e37786f0362
Reviewed-on: http://review.couchbase.org/41587
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Artem Stemkovski <artem@couchbase.com>