Remove some qOverload as we remove deprecated qt5.15 signal

src/printing/stylepage.cpp

@@ -36,7 +36,7 @@ StylePage::StylePage(QWidget *parent, const QString &name)
     mSortTypeCombo->addItem(i18nc("@item:inlistbox Ascending sort order", "Ascending"));
     mSortTypeCombo->addItem(i18nc("@item:inlistbox Descending sort order", "Descending"));
 
-    connect(mStyleCombo, qOverload<int>(&QComboBox::activated), this, &StylePage::styleChanged);
+    connect(mStyleCombo, &QComboBox::activated, this, &StylePage::styleChanged);
 }
 
 StylePage::~StylePage()