GUI -- Clean up local test events.

Change-Id: I112ccb2db65a8190ff03c274717abf9735084e81
diff --git a/web/gui/src/main/webapp/json/ev/links/ev_4_onos.json b/web/gui/src/main/webapp/json/ev/links/ev_4_onos.json
index 9f2c260..375fccc 100644
--- a/web/gui/src/main/webapp/json/ev/links/ev_4_onos.json
+++ b/web/gui/src/main/webapp/json/ev/links/ev_4_onos.json
@@ -6,9 +6,9 @@
     "online": true,
     "master": "local",
     "labels": [
-      "0000ffffffff0008",
-      "FF:FF:FF:FF:00:08",
-      "sw-8"
+      "",
+      "sw-8",
+      "0000ffffffff0008"
     ],
     "metaUi": {
       "x": 734,