[LTP] [PATCH v2 1/2] m4: remove some useless m4

[Petr Vorel]

Hi,

> > > Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
> > Acked-by: Petr Vorel <pvorel@suse.cz>

> > Although I wonder whether mixing 4 changes (even related to autoconf)
> > in single commit is a good idea (makes it a bit hard to review).

> Yes please, at least the SPDX conversion has to be in a separate patch.
+1

BTW m4/ltp-signalfd.m4 would require cleanup as well.

Kind regards,
Petr