Fix for alarm device panel not showing up, removing esc hook in alarm overlay

Change-Id: Idcf46c8782b88edfdec1560aca60d05d3d040aa1
diff --git a/apps/faultmanagement/fmgui/src/main/java/org/onosproject/faultmanagement/alarms/gui/AlarmTopovOverlay.java b/apps/faultmanagement/fmgui/src/main/java/org/onosproject/faultmanagement/alarms/gui/AlarmTopovOverlay.java
index 5094030..5f04dbe 100644
--- a/apps/faultmanagement/fmgui/src/main/java/org/onosproject/faultmanagement/alarms/gui/AlarmTopovOverlay.java
+++ b/apps/faultmanagement/fmgui/src/main/java/org/onosproject/faultmanagement/alarms/gui/AlarmTopovOverlay.java
@@ -33,7 +33,6 @@
     private static final String OVERLAY_ID = "alarmsTopo-overlay";
 
     private static final ButtonId ALARM1_BUTTON = new ButtonId("alarm1button");
-    private static final ButtonId ALARM2_BUTTON = new ButtonId("alarm2button");
 
     public AlarmTopovOverlay() {
         super(OVERLAY_ID);
@@ -58,8 +57,7 @@
         Map<Alarm.SeverityLevel, Long> countsForDevice = AlarmServiceUtil.lookUpAlarmCounts(deviceId);
         addAlarmCountsProperties(pp, countsForDevice);
 
-        pp.addButton(ALARM1_BUTTON)
-                .addButton(ALARM2_BUTTON);
+        pp.addButton(ALARM1_BUTTON);
 
         pp.removeButtons(CoreButtons.SHOW_PORT_VIEW)
                 .removeButtons(CoreButtons.SHOW_GROUP_VIEW)
diff --git a/apps/faultmanagement/fmgui/src/main/resources/app/view/alarmTopov/alarmTopovOverlay.js b/apps/faultmanagement/fmgui/src/main/resources/app/view/alarmTopov/alarmTopovOverlay.js
index a63f476..0c5b380 100644
--- a/apps/faultmanagement/fmgui/src/main/resources/app/view/alarmTopov/alarmTopovOverlay.js
+++ b/apps/faultmanagement/fmgui/src/main/resources/app/view/alarmTopov/alarmTopovOverlay.js
@@ -103,12 +103,6 @@
             }
         },
         hooks: {
-            // hook for handling escape key
-            // Must return true to consume ESC, false otherwise.
-            escape: function () {
-                // Must return true to consume ESC, false otherwise.
-                return atds.stopDisplay();
-            },
             // hooks for when the selection changes...
             empty: function () {
                 selectionCallback('empty');