tweaks

lib/common/widgets/only_layout_widget.dart

@@ -43,42 +43,3 @@ class NoRenderLayoutBox extends RenderProxyBox {
   @override
   void paint(PaintingContext context, Offset offset) {}
 }
-
-class LayoutSizeWidget extends SingleChildRenderObjectWidget {
-  const LayoutSizeWidget({
-    super.key,
-    super.child,
-    required this.onPerformLayout,
-  });
-
-  final LayoutCallback onPerformLayout;
-
-  @override
-  RenderObject createRenderObject(BuildContext context) =>
-      RenderLayoutBox(onPerformLayout: onPerformLayout);
-
-  @override
-  void updateRenderObject(
-    BuildContext context,
-    RenderLayoutBox renderObject,
-  ) {
-    super.updateRenderObject(context, renderObject);
-    renderObject.onPerformLayout = onPerformLayout;
-  }
-}
-
-class RenderLayoutBox extends RenderProxyBox {
-  RenderLayoutBox({required this.onPerformLayout});
-
-  LayoutCallback onPerformLayout;
-
-  Size? _size;
-
-  @override
-  void performLayout() {
-    super.performLayout();
-    if (_size != size) {
-      onPerformLayout(_size = size);
-    }
-  }
-}