Remove stupid assignment

Change-Id: I07026c65b82d97882f16b1c5ccb0f0a4bdd9c256
Reviewed-on: http://review.couchbase.org/41141
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>