MB-100: removed unneeded logging for terse streaming bucket details

Change-Id: Id9ebf62ef238a93bf7fb43eb9373686f0d421179
Reviewed-on: http://review.couchbase.org/30103
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>