GUI -- Fixed traffic visualization broken due to change in intent framework.

Change-Id: Icc0b02e1c9a0d336830651bf0792baf2a549b7a0
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
index e3fa674..02b94eb 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/TopologyViewMessageHandler.java
@@ -108,12 +108,7 @@
     private static final long SUMMARY_FREQUENCY = 30000;
 
     private static final Comparator<? super ControllerNode> NODE_COMPARATOR =
-            new Comparator<ControllerNode>() {
-                @Override
-                public int compare(ControllerNode o1, ControllerNode o2) {
-                    return o1.id().toString().compareTo(o2.id().toString());
-                }
-            };
+            (o1, o2) -> o1.id().toString().compareTo(o2.id().toString());
 
 
     private final Timer timer = new Timer("topology-view");