[LTP] [RFC PATCH] build: Remove {config.h, config.mk, features.mk, }.default

[Petr Vorel]

Hi,

> BTW INSTALL needs update. doc/mini-howto-building-ltp-from-git.txt is in
> much better shape, but contains just compilation from git.

> I'd either create single markdown page doc/installation.txt, which would
> contain both installation from tarball and git (preferred) or had 2 separate pages.
+ Link these pages in wiki + link this page in README.md (there is just text link).

There is just BuildSystem in wiki, which is probably not what users are
interested in much.

Kind regards,
Petr