CBQE-0: Don't wait for persistence

Due to the changes in Couchbase 3.0 it's no longer needed to wait
for persistence of the data before a (spatial) view query is issued.

Change-Id: I90999c41b870867829811e863dc950d6aa09488e
Reviewed-on: http://review.couchbase.org/42601
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>