GUI -- Clean up local test events.

Change-Id: I112ccb2db65a8190ff03c274717abf9735084e81
diff --git a/web/gui/src/main/webapp/json/ev/startup/ev_12_onos.json b/web/gui/src/main/webapp/json/ev/startup/ev_12_onos.json
index c778cd5..7d9fe61 100644
--- a/web/gui/src/main/webapp/json/ev/startup/ev_12_onos.json
+++ b/web/gui/src/main/webapp/json/ev/startup/ev_12_onos.json
@@ -5,9 +5,9 @@
     "type": "switch",
     "online": true,
     "labels": [
-      "0000ffffffff0001",
-      "FF:FF:FF:FF:00:01",
-      "?"
+      "",
+      "sw-1",
+      "0000ffffffff0001"
     ],
     "metaUi": {
       "x": 167,