Remove empty QAccessible2 header

Change-Id: Ia5e9b1adf9280e6b7d7aaf8cb5b5167b694a6070
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>

src/gui/accessible/accessible.pri

@@ -4,7 +4,6 @@ contains(QT_CONFIG, accessibility) {
     HEADERS += \
         accessible/qaccessible.h \
         accessible/qaccessiblecache_p.h \
-        accessible/qaccessible2_p.h \
         accessible/qaccessibleobject.h \
         accessible/qaccessibleplugin.h \
         accessible/qplatformaccessibility.h

src/gui/accessible/qaccessible2_p.h

@@ -1,45 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** 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
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QACCESSIBLE2_H
-#define QACCESSIBLE2_H
-
-#endif

src/plugins/platforms/android/src/androidjniaccessibility.cpp

@@ -46,7 +46,7 @@
 #include "qguiapplication.h"
 #include "qwindow.h"
 #include "qrect.h"
-#include "private/qaccessible2_p.h"
+#include "QtGui/qaccessible.h"
 
 #include "qdebug.h"
 

src/plugins/platforms/cocoa/qcocoaaccessibility.mm

@@ -40,8 +40,7 @@
 ****************************************************************************/
 #include "qcocoaaccessibility.h"
 #include "qcocoaaccessibilityelement.h"
-#include <qaccessible.h>
-#include <QtGui/private/qaccessible2_p.h>
+#include <QtGui/qaccessible.h>
 #include <private/qcore_mac_p.h>
 
 QCocoaAccessibility::QCocoaAccessibility()

src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm

@@ -42,8 +42,7 @@
 #include "qcocoaaccessibility.h"
 #include "qcocoahelpers.h"
 
-#include <QAccessible>
-#include <QtGui/private/qaccessible2_p.h>
+#include <QtGui/qaccessible.h>
 
 #import <AppKit/NSAccessibility.h>
 

src/plugins/platforms/cocoa/qnsviewaccessibility.mm

@@ -47,7 +47,7 @@
 #include "qcocoaaccessibilityelement.h"
 #include <qpa/qplatformintegration.h>
 
-#include <QtGui/private/qaccessible2_p.h>
+#include <QtGui/qaccessible.h>
 #include <QtCore/QDebug>
 
 #import <AppKit/NSAccessibility.h>

src/plugins/platforms/windows/accessible/iaccessible2.cpp

@@ -44,7 +44,7 @@
 #include "iaccessible2.h"
 #include "qwindowsaccessibility.h"
 
-#include <QtGui/private/qaccessible2_p.h>
+#include <QtGui/qaccessible.h>
 #include <QtGui/qclipboard.h>
 #include <QtWidgets/qapplication.h>
 #include <QtCore/qdebug.h>

src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp

@@ -51,7 +51,6 @@
 #include <QtCore/qpointer.h>
 #include <QtCore/qsettings.h>
 #include <QtGui/qaccessible.h>
-#include <QtGui/private/qaccessible2_p.h>
 #include <QtGui/private/qguiapplication_p.h>
 #include <qpa/qplatformnativeinterface.h>
 #include <qpa/qplatformintegration.h>

src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp

@@ -54,7 +54,6 @@
 #include <QtCore/qpair.h>
 #include <QtCore/qsettings.h>
 #include <QtGui/qaccessible.h>
-#include <QtGui/private/qaccessible2_p.h>
 #include <QtGui/qguiapplication.h>
 #include <qpa/qplatformnativeinterface.h>
 #include <QtGui/qwindow.h>

util/accessibilityinspector/screenreader.cpp

@@ -42,7 +42,6 @@
 #include "screenreader.h"
 #include "optionswidget.h"
 #include "accessibilityscenemanager.h"
-#include <private/qaccessible2_p.h>
 #include <QtGui>
 
 ScreenReader::ScreenReader(QObject *parent) :