[game_list] Correct light theme loading (#6408)

Correct light theme loading

The setLayout call in game list instantiation will call resizing signals with default values in light theme, which was then being erroneously saved. setLayout doesn't seem to call resizing for any other theme, so I'm not sure why that happens.

src/yuzu/game_list.cpp

@@ -341,11 +341,7 @@ GameList::GameList(FileSys::VirtualFilesystem vfs, FileSys::ManualContentProvide
     connect(tree_view, &QTreeView::customContextMenuRequested, this, &GameList::PopupContextMenu);
     connect(tree_view, &QTreeView::expanded, this, &GameList::OnItemExpanded);
     connect(tree_view, &QTreeView::collapsed, this, &GameList::OnItemExpanded);
-    connect(tree_view->header(), &QHeaderView::sectionResized, this,
-            &GameList::SaveInterfaceLayout);
-    connect(tree_view->header(), &QHeaderView::sectionMoved, this, &GameList::SaveInterfaceLayout);
-    connect(tree_view->header(), &QHeaderView::sortIndicatorChanged, this,
-            &GameList::SaveInterfaceLayout);
+
     // We must register all custom types with the Qt Automoc system so that we are able to use
     // it with signals/slots. In this case, QList falls under the umbrells of custom types.
     qRegisterMetaType<QList<QStandardItem*>>("QList<QStandardItem*>");