[PATCH] Date: Remove unused macro

[zhangjiao2 <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>]

From: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>

This macro NSEC_PER_SEC is never referenced in the code.
Just remove it.

Signed-off-by: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/timers/change_skew.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/testing/selftests/timers/change_skew.c b/tools/testing/selftests/timers/change_skew.c
index 4421cd562c24..18e794a46c23 100644
--- a/tools/testing/selftests/timers/change_skew.c
+++ b/tools/testing/selftests/timers/change_skew.c
@@ -30,9 +30,6 @@
 #include <time.h>
 #include "../kselftest.h"
 
-#define NSEC_PER_SEC 1000000000LL
-
-
 int change_skew_test(int ppm)
 {
 	struct timex tx;
-- 
2.33.0