[UBI] Remove autotools from ubi-utils

[Artem B. Bityutskiy]

Frank Haverkamp wrote:
> * ubiwritevol - Artem liked the name ubiupdatevol better
Indeed, UBI allows only "update" operations from, userspace, not random 
writes...

> Artem wanted to beautify libubi, but that is something different.
Butify is not really suitable word here. I'd say to write it from 
scratch cleanly :-)

Yes, I've finished most UBI TODOs, and now I want to write few 
user-space tests. I certainly want to have them on top of a decent UBI 
library.

-- 
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.