[CORD-2962] Refactoring vrouter and adding support for static routes

Change-Id: Ie2719ca94296559caee4a1e433631cbd43019bf9
diff --git a/xos/synchronizer/vrouter_config.yaml b/xos/synchronizer/vrouter_config.yaml
index 7fe4f18..274ba24 100644
--- a/xos/synchronizer/vrouter_config.yaml
+++ b/xos/synchronizer/vrouter_config.yaml
@@ -20,9 +20,7 @@
   password: "@/opt/xos/services/vrouter/credentials/xosadmin@opencord.org"
 required_models:
   - VRouterService
-  - VRouterDevice
-  - VRouterApp
-  - VRouterPort
+  - VRouterServiceInstance
 dependency_graph: "/opt/xos/synchronizers/vrouter/model-deps"
 steps_dir: "/opt/xos/synchronizers/vrouter/steps"
 sys_dir: "/opt/xos/synchronizers/vrouter/sys"