GUI -- Topology view... Minor cleanup.

Change-Id: I86e1bab3815b8dfabdfbd1e5f3f773b37b2f1ca9
diff --git a/web/gui/src/main/webapp/app/view/topo/topo.js b/web/gui/src/main/webapp/app/view/topo/topo.js
index 2edc13e..4a8b208 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.js
+++ b/web/gui/src/main/webapp/app/view/topo/topo.js
@@ -34,7 +34,7 @@
     var ovtopo, svg, defs, zoomLayer, mapG, forceG;
 
     // Internal state
-    var zoomer, evDispatcher;
+    var zoomer;
 
     // Note: "exported" state should be properties on 'self' variable
 
@@ -175,9 +175,6 @@
             // set the svg size to match that of the window, less the masthead
             svg.attr(fs.windowSize(mast.mastHeight()));
 
-            // bind to topo event dispatcher..
-            evDispatcher = tes.bindDispatcher('TODO: topo-DOM-elements-here');
-
             setUpKeys();
             setUpDefs();
             setUpZoom();