Utils: Settle on lowerSnakeCase for LayoutBuilder::Setter

Change-Id: Icfe487d8c7712cc8ad28f0f61e8ae4778a356fc3
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/utils/layoutbuilder.cpp

@@ -481,11 +481,6 @@ Group::Group(const LayoutBuilder::Setters &setters, const LayoutBuilder &innerLa
         func(widget);
 }
 
-LayoutBuilder::Setter Title(const QString &title, BoolAspect *checker)
-{
-    return Layouting::title(title, checker);
-}
-
 LayoutBuilder::Setter title(const QString &title, BoolAspect *checker)
 {
     return [title, checker](QObject *target) {