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.

Change-Id: I9f1c88606c97afc5952af34e04310612b783a9c2
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>

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

@@ -41,7 +41,6 @@
 #include <qcommonstyle.h>
 #include <qstylefactory.h>
 #include <qscreen.h>
-#include <QSysInfo>
 
 typedef QList<QGraphicsItem *> QGraphicsItemList;
 
@@ -1776,17 +1775,11 @@ 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");