Revert ns_server changes to toy-sriram.xml

Change-Id: I89bd67bc802b26b3e5d5eff83f4d1b3d4abf6ff0
Reviewed-on: http://review.couchbase.org/40704
Reviewed-by: Sriram Ganesan <sriram@couchbase.com>
Tested-by: Sriram Ganesan <sriram@couchbase.com>