Revert "tst_qgraphicswidget expect fail on Win 10"

This reverts commit 3d5bf00.

This change needs to be reverted because Windows 10 Creator's
Update doesn't fail on this test anymore during CI runs.
Reason for this is unknown.

(cherry picked from commit de6d6eb)
Change-Id: I8b0e61ca4c3711d818508cb1094a57272d9ac11f
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>

tests/auto/widgets/graphicsview/qgraphicswidget/tst_qgraphicswidget.cpp

@@ -46,7 +46,6 @@
 #include <qcommonstyle.h>
 #include <qstylefactory.h>
 #include <qscreen.h>
-#include <QSysInfo>
 
 #include "../../../qtest-config.h"
 
@@ -1809,17 +1808,11 @@ void tst_QGraphicsWidget::updateFocusChainWhenChildDie()
     QTest::mouseClick(view.viewport(), Qt::LeftButton, 0, center);
 #ifdef Q_OS_MAC
     QEXPECT_FAIL("", "QTBUG-23699", Continue);
-#endif
-#ifdef Q_OS_WIN
-    if (QSysInfo::kernelVersion() == "10.0.15063") {
-        QEXPECT_FAIL("", "This fails on Windows 10 Creators Update (10.0.15063)", Continue);
-    }
 #endif
     QTRY_COMPARE(qApp->activeWindow(), static_cast<QWidget *>(&view));
     QTRY_COMPARE(scene.focusItem(), static_cast<QGraphicsItem *>(w));
 }
 
-
 void tst_QGraphicsWidget::sizeHint_data()
 {
     QTest::addColumn<bool>("layout");