[LTP] [PATCH v2] testcases: realtime: Get rid of autotools

[Petr Vorel]

Hi Cyril, all,

> The autotools checks are outdated and not needed anymore.

> CC: John Stultz <jstultz@google.com>
> CC: Darren Hart <darren@os.amperecomputing.com>
> Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
> ---

> Changes in v2:

> Removed realtime from mk/automake.mk as well.

Reviewed-by: Petr Vorel <pvorel@suse.cz>

> CI run https://github.com/metan-ucw/ltp/actions/runs/9382597033
Thanks!

Kind regards,
Petr