Remove unused references to QMacStyle headers

Change-Id: If7b84e3b8a0a8682d031e7a1ebf066feedf6a97c
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

src/widgets/graphicsview/qgraphicswidget_p.cpp

@@ -52,9 +52,6 @@
 #include <QtWidgets/qstyleoption.h>
 #include <QtWidgets/QStyleOptionTitleBar>
 #include <QtWidgets/QGraphicsSceneMouseEvent>
-#if 0 /* Used to be included in Qt4 for Q_WS_MAC */ && QT_CONFIG(style_mac)
-# include <private/qmacstyle_mac_p.h>
-#endif
 
 QT_BEGIN_NAMESPACE
 

src/widgets/widgets/qcombobox.cpp

@@ -67,11 +67,6 @@
 #include <private/qabstractscrollarea_p.h>
 #include <private/qlineedit_p.h>
 #include <qdebug.h>
-#if 0 /* Used to be included in Qt4 for Q_WS_MAC */ && !defined(QT_NO_EFFECTS) && QT_CONFIG(style_mac)
-#include <private/qcore_mac_p.h>
-#include <private/qmacstyle_mac_p.h>
-#include <private/qt_cocoa_helpers_mac_p.h>
-#endif
 #ifndef QT_NO_EFFECTS
 # include <private/qeffects_p.h>
 #endif

src/widgets/widgets/qdockwidget.cpp

@@ -58,11 +58,6 @@
 
 #include "qdockwidget_p.h"
 #include "qmainwindowlayout_p.h"
-#if 0 // Used to be included in Qt4 for Q_WS_MAC
-#include <private/qapplication_p.h>
-#include <private/qt_mac_p.h>
-#include <private/qmacstyle_mac_p.h>
-#endif
 
 QT_BEGIN_NAMESPACE
 

src/widgets/widgets/qmdiarea.cpp

@@ -160,9 +160,6 @@
 
 #include <QApplication>
 #include <QStyle>
-#if 0 /* Used to be included in Qt4 for Q_WS_MAC */ && QT_CONFIG(style_mac)
-#include <private/qmacstyle_mac_p.h>
-#endif
 #include <QChildEvent>
 #include <QResizeEvent>
 #include <QScrollBar>

src/widgets/widgets/qpushbutton.cpp

@@ -56,10 +56,6 @@
 #include "qdebug.h"
 #include "qlayoutitem.h"
 #include "qdialogbuttonbox.h"
-#if 0 // Used to be included in Qt4 for Q_WS_MAC
-#include "private/qmacstyle_mac_p.h"
-#include "private/qmacstyle_mac_p_p.h"
-#endif
 
 #ifndef QT_NO_ACCESSIBILITY
 #include "qaccessible.h"