Remove unused tools/qmlwidget files.

Change-Id: Id48fea5609cb52b5a79d9ad345a07774112b26d2
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>

tools/qmlwidget/main.cpp

-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the Qt Quick Controls module of the Qt Toolkit.
-**
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-** accordance with the commercial license agreement provided with the
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-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file.  Please review the following information to
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-****************************************************************************/
-
-#include <QtCore>
-#include <QtQml>
-#include <QtQuick>
-#include <QtWidgets>
-
-#include "qwindowwidget.h"
-
-QT_USE_NAMESPACE
-
-int main(int argc, char ** argv)
-{
-    QApplication app(argc, argv);
-
-    QQuickView quickView;
-    quickView.setObjectName("quick view");
-    quickView.setSource(QUrl::fromLocalFile("../examples/quick/controls/Gallery.qml"));
-
-    QWindowWidget windowWidget;
-    windowWidget.setObjectName("window widget");
-    windowWidget.setEmbeddedWindow(&quickView);
-
-    QMainWindow main;
-    main.setObjectName("main window");
-    main.setCentralWidget(&windowWidget);
-    main.setStatusBar(new QStatusBar());
-    main.setMenuBar(new QMenuBar());
-    main.show();
-
-    return app.exec();
-}
-
-

tools/qmlwidget/qmlwidget.pro

-TEMPLATE = app
-TARGET = qmlwidget
-DEPENDPATH += . ../src/
-INCLUDEPATH += . ../src/
-QT += qml widgets quick
-
-HEADERS += ../src/qwindowwidget.h
-SOURCES += ../src/qwindowwidget.cpp
-
-SOURCES += main.cpp
-CONFIG -= app_bundle