ModuleLayer.Controller strongly references Module

[Alan Bateman]

On 24/11/2021 18:14, Michał Kłeczek wrote:
>
>
> For sure it’s fun :)
>
> Regardless of “smart proxies” the lifetime of ML.Controller should be 
> - if not fixed - at least be documented IMHO. Right now it’s a minefield.

It's also somewhat unusual so I think we'll need to think if this is the 
right thing to do.

The ML.Controller for the boot layer is not needed and I think it would 
be attractive nuisance to have it hanging around.

-Alan