fix: Address review

src/Avalonia.Controls/Flyouts/MenuFlyoutPresenter.cs

@@ -1,5 +1,4 @@
 using System;
-using Avalonia.Controls.Generators;
 using Avalonia.Controls.Platform;
 using Avalonia.Controls.Primitives;
 using Avalonia.LogicalTree;
@@ -47,15 +46,5 @@ namespace Avalonia.Controls
                 }
             }
         }
-
-        protected internal override void PrepareContainerForItemOverride(Control element, object? item, int index)
-        {
-            base.PrepareContainerForItemOverride(element, item, index);
-
-            // Child menu items should not inherit the menu's ItemContainerTheme as that is specific
-            // for top-level menu items.
-            if ((element as MenuItem)?.ItemContainerTheme == ItemContainerTheme)
-                element.ClearValue(ItemContainerThemeProperty);
-        }
     }
 }