Changed ovsdb device ID from ovsdb:ip:port to ovsdb:ip

Change-Id: I1aa48d2f7c7e1c63fb74cda90446a64a06837e2f
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java
index eba5210..46f6e29 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/DefaultOvsdbNode.java
@@ -61,7 +61,7 @@
 
     @Override
     public DeviceId deviceId() {
-        return DeviceId.deviceId("ovsdb:" + this.ip.toString() + ":" + this.port.toString());
+        return DeviceId.deviceId("ovsdb:" + this.ip.toString());
     }
 
     @Override