Keep password failure notification on after unlock

Change-Id: I3104ae0ad2f375c0d4f8b98bae1acfa6f7a78f2f

Author: hex539

app/src/main/java/com/afwsamples/testdpc/DeviceAdminReceiver.java

@@ -268,13 +268,6 @@ public void onPasswordFailed(Context context, Intent intent) {
         nm.notify(PASSWORD_FAILED_NOTIFICATION_ID, warn.getNotification());
     }
 
-    @Override
-    public void onPasswordSucceeded(Context context, Intent intent) {
-        NotificationManager nm = (NotificationManager)
-                context.getSystemService(Context.NOTIFICATION_SERVICE);
-        nm.cancel(PASSWORD_FAILED_NOTIFICATION_ID);
-    }
-
     @Override
     public void onPasswordChanged(Context context, Intent intent) {
         updatePasswordQualityNotification(context);