CORD-3161 modify Synchronizer config to use cord-kafka instead of cord-kafka-kafka

Change-Id: I2d368030d67162a726e3583d9fa9bb17ff1d5180
diff --git a/xos-services/onos-service/templates/_tosca.tpl b/xos-services/onos-service/templates/_tosca.tpl
index fc02c63..ddffea6 100644
--- a/xos-services/onos-service/templates/_tosca.tpl
+++ b/xos-services/onos-service/templates/_tosca.tpl
@@ -186,7 +186,7 @@
         value: >
           {
             "kafka" : {
-              "bootstrapServers" : "cord-kafka-kafka.default.svc.cluster.local:9092"
+              "bootstrapServers" : "cord-kafka.default.svc.cluster.local:9092"
             }
           }
       requirements: