delete unused header file

Change-Id: I96a620475f9618b55fc0b3a294037ca5968b683c

tools/inc/bootstrp/prj.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 _PRJ_HXX
-#define _PRJ_HXX
-
-#include <tools/fsys.hxx>
-#include <tools/stream.hxx>
-#include <rtl/string.hxx>
-
-/// This class can be used for extracting tokens from a file
-class SimpleConfig
-{
-    SvFileStream aFileStream;
-    rtl::OString aStringBuffer;
-
-    rtl::OString GetNextLine();
-
-public:
-    SimpleConfig(const String& rSimpleConfigFileName);
-    ~SimpleConfig();
-    rtl::OString getNext();
-};
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */