sd: Remove empty file

Change-Id: I2139e2ed35d4ecdeb94ff6673e12dd58986d0344
Reviewed-on: https://gerrit.libreoffice.org/31975Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Takeshi Abe <tabe@fixedpoint.jp>

sd/Library_sd.mk

@@ -307,7 +307,6 @@ $(eval $(call gb_Library_add_exception_objects,sd,\
 	sd/source/ui/func/futxtatt \
 	sd/source/ui/func/fuvect \
 	sd/source/ui/func/fuzoom \
-	sd/source/ui/func/sdundo \
 	sd/source/ui/func/sdundogr \
 	sd/source/ui/func/smarttag \
 	sd/source/ui/func/undoback \

sd/source/ui/func/sdundo.cxx

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-#include "sdundo.hxx"
-
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */