[PATCH v2] selftests/timers: Remove unused NSEC_PER_SEC macro

[zhangjiao2]

From: zhang jiao <zhangji...@cmss.chinamobile.com>

By readind the code, I found the macro NSEC_PER_SEC
is never referenced in the code. Just remove it.

Signed-off-by: zhang jiao <zhangji...@cmss.chinamobile.com>
---
v1->v2:
        Put together files with similar problems

 tools/testing/selftests/timers/change_skew.c      | 3 ---
 tools/testing/selftests/timers/skew_consistency.c | 2 --
 2 files changed, 5 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;
diff --git a/tools/testing/selftests/timers/skew_consistency.c 
b/tools/testing/selftests/timers/skew_consistency.c
index c8e6bffe4e0a..83450145fe65 100644
--- a/tools/testing/selftests/timers/skew_consistency.c
+++ b/tools/testing/selftests/timers/skew_consistency.c
@@ -36,8 +36,6 @@
 #include <sys/wait.h>
 #include "../kselftest.h"
 
-#define NSEC_PER_SEC 1000000000LL
-
 int main(int argc, char **argv)
 {
        struct timex tx;
-- 
2.33.0