[Python-3000] Unbound methods -- keep creating API?

[Christian Heimes]

Georg Brandl wrote:
> We've made class.function return a function, but the unbound method machinery
> is still alive. For example, you can still create unbound methods with
> new.instancemethod and PyMethod_New, and there's bits of code in classobject.c
> that refers to unbound methods.
> 
> Should this go too?

I'm +1 in removing the code, too. I haven't touched the code yet in the
case we might need it in the interim period.

Christian