[development] Menu feature -- can we lose this, please?

[Karoly Negyesi]

> > That is not impossible, a simple access callback is needed which would determine whether there is more than one thing for you on the collection page.
> 
> This is what MENU_ITEM_GROUPING does last I checked. 

So true. But if you use that then you need to access check all it's children. No, thanks. I still prefer the custom access callback.