[oe] Cleanup / janitors

[Andrea Adami]

> Problem is to do that reliable.
I would follow RP steps: starting in nov 2009
http://git.pokylinux.org/cgit.cgi/poky/log/

>It is easy to remove the do_stage section from a recipe, and it is
>easy to verify that it builds, but it is already becoming less trivial
>to verify that everything that depends on it builds too, and it
>becomes complicated if you want to verify that it actually works
>(especially if you have no clue what the package does).
That's the reason why I did not dare too

> The other thing that comes to mind is better describing the job. If it
I'd define it "Monkey-picking from Poky" for the most recipes.

How dangerous could it be? I have no idea about eventual subtle diffs
between Poky and OE.

Regards

Andrea