selftests/sched_ext: Remove duplicated unistd.h include in rt_stall.c

The header <unistd.h> is included twice in rt_stall.c. Remove the
redundant inclusion to clean up the code.

Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Cheng-Yang Chou 2026-02-23 02:47:09 +08:00 • committed by Tejun Heo
commit 075e70d13e