remove SfxFilterDialog code, appears to be dead

only the header file exists

Change-Id: If2c59dc40655482ac94c7f624fd31396dc62da16

sfx2/source/appl/app.cxx

@@ -75,7 +75,6 @@
 #include <sfx2/docfile.hxx>
 #include <sfx2/docfilt.hxx>
 #include "fltfnc.hxx"
-#include "nfltdlg.hxx"
 #include <sfx2/new.hxx>
 #include <sfx2/bindings.hxx>
 #include <sfx2/dispatch.hxx>

sfx2/source/inc/nfltdlg.hxx

-/* -*- 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 .
- */
-#ifndef _SFXNFLTDLG_HXX
-#define _SFXNFLTDLG_HXX
-
-
-#include <vcl/dialog.hxx>
-#include <vcl/lstbox.hxx>
-#include <vcl/button.hxx>
-#include <vcl/fixed.hxx>
-class SfxFilterMatcher;
-
-class SfxMedium;
-class SfxFilterDialog : public ModalDialog
-{
-private:
-    FixedLine               aMimeTypeFL;
-    FixedText               aMIMEType;
-    FixedText               aExtension;
-    FixedLine               aFilterFL;
-    ListBox                 aListbox;
-    OKButton                aOkBtn;
-    CancelButton            aCancelBtn;
-    HelpButton              aHelpBtn;
-
-    const SfxFilterMatcher& rMatcher;
-
-    DECL_LINK( OkHdl, Control * );
-
-public:
-    SfxFilterDialog( Window * pParent,
-                     SfxMedium* pMed,
-                     const SfxFilterMatcher &rMatcher,
-                     const String *pDefFilter, sal_Bool bShowConvert = sal_True );
-
-    String GetSelectEntry() const;
-};
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */