Remove unused variable service_online
Remove unused variable service_online

Change-Id: I8cc9f62fc45ec35b20b116c24c10a92d387c8538
Reviewed-on: http://review.couchbase.org/118358
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Jim Walker <1cd02e31b43620d7c664e038ca42a060d61727b9@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine