Fix for ONOS-5175. GroupId refactoring.

Science DefaultGroupId was deprecated, remove it from ONOS

Change-Id: I82394e58ec1ba10c37492ed77546e233de9f934f
diff --git a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
index ec53007..dd3ef19 100644
--- a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
@@ -49,7 +49,7 @@
 import org.onosproject.core.ApplicationRole;
 import org.onosproject.core.DefaultApplication;
 import org.onosproject.core.DefaultApplicationId;
-import org.onosproject.core.DefaultGroupId;
+import org.onosproject.core.GroupId;
 import org.onosproject.core.Version;
 import org.onosproject.event.Change;
 import org.onosproject.incubator.net.domain.IntentDomainId;
@@ -536,7 +536,7 @@
             .register(MapEvent.Type.class)
             .register(SetEvent.class)
             .register(SetEvent.Type.class)
-            .register(DefaultGroupId.class)
+            .register(GroupId.class)
             .register(Annotations.class)
             .register(OmsPort.class)
             .register(OchPort.class)