Segment Routing ONS demo:Traffic visualization fixes

Change-Id: Ib4960a0fe4666b8027614c8dd04df7883746b9b9
diff --git a/web/gui/src/main/webapp/data/sprites/segmentRouting.json b/web/gui/src/main/webapp/data/sprites/segmentRouting.json
index 6b56b2f..58d4702 100644
--- a/web/gui/src/main/webapp/data/sprites/segmentRouting.json
+++ b/web/gui/src/main/webapp/data/sprites/segmentRouting.json
@@ -46,7 +46,7 @@
       { "id": "rack", "pos":[800,600], "class":"blue1" }
     ],
     "labels": [
-      { "pos":[550,80], "text":"Segment Routing Demo", "class":"blue1", "size":1.4 }
+      { "pos":[550,80], "text":"", "class":"blue1", "size":1.4 }
     ]
   }
 }