Throw away gometa integration.

Change-Id: I675e66045863c7cce48a6f9eeb6941a1ee69e5d1
Reviewed-on: http://review.couchbase.org/43814
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>