Revert changes to ep-engine in toy-sriram.xml

Change-Id: I78c69626d6356e0a0cf39fb1b3823bba31dfedf9
Reviewed-on: http://review.couchbase.org/41001
Reviewed-by: Sriram Ganesan <sriram@couchbase.com>
Tested-by: Sriram Ganesan <sriram@couchbase.com>