CORD-1638 Rename ExampleTenant and drop obsolete references

Change-Id: Ia68efa15d84e536fd2f77aa3fea7ebabfd4a18c2
diff --git a/xos/synchronizer/exampleservice_config.yaml b/xos/synchronizer/exampleservice_config.yaml
index d41f45d..275a09f 100644
--- a/xos/synchronizer/exampleservice_config.yaml
+++ b/xos/synchronizer/exampleservice_config.yaml
@@ -20,7 +20,7 @@
   password: "@/opt/xos/services/exampleservice/credentials/xosadmin@opencord.org"
 required_models:
   - ExampleService
-  - ExampleTenant
+  - ExampleServiceInstance
   - ServiceDependency
   - ServiceMonitoringAgentInfo
 dependency_graph: "/opt/xos/synchronizers/exampleservice/model-deps"