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

Change-Id: I2d368030d67162a726e3583d9fa9bb17ff1d5180
diff --git a/xos-services/simpleexampleservice/templates/_helpers.tpl b/xos-services/simpleexampleservice/templates/_helpers.tpl
index f5f7a4f..d1fb889 100644
--- a/xos-services/simpleexampleservice/templates/_helpers.tpl
+++ b/xos-services/simpleexampleservice/templates/_helpers.tpl
@@ -53,7 +53,7 @@
   password: {{ .Values.xosAdminPassword | quote }}
   endpoint: xos-core:50051
 event_bus:
-  endpoint: cord-kafka-kafka
+  endpoint: cord-kafka
   kind: kafka
 required_models:
   - SimpleExampleService