Removing Topology 2 from the nav menu.

Change-Id: Id4a35505cd3b6fafabf822e2122ae942ca6d98a2
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java b/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
index e403479..d620db2 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/UiExtensionManager.java
@@ -199,7 +199,7 @@
                 mkView(PLATFORM, "partition", "nav_partitions"),
 
                 mkView(NETWORK, "topo", "nav_topo"),
-                mkView(NETWORK, "topo2", "nav_topo2"),
+//                mkView(NETWORK, "topo2", "nav_topo2"),
                 mkView(NETWORK, "device", "nav_devs"),
 
                 new UiViewHidden("flow"),