[PATCH v3 13/68] selftests/damon: Drop define _GNU_SOURCE

[Edward Liaw <edliaw@xxxxxxxxxx>]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
 tools/testing/selftests/damon/debugfs_target_ids_pid_leak.c    | 3 ---
 .../damon/debugfs_target_ids_read_before_terminate_race.c      | 2 --
 2 files changed, 5 deletions(-)

diff --git a/tools/testing/selftests/damon/debugfs_target_ids_pid_leak.c b/tools/testing/selftests/damon/debugfs_target_ids_pid_leak.c
index 0cc2eef7d142..7a17a03d555c 100644
--- a/tools/testing/selftests/damon/debugfs_target_ids_pid_leak.c
+++ b/tools/testing/selftests/damon/debugfs_target_ids_pid_leak.c
@@ -2,9 +2,6 @@
 /*
  * Author: SeongJae Park <sj@xxxxxxxxxx>
  */
-
-#define _GNU_SOURCE
-
 #include <fcntl.h>
 #include <stdbool.h>
 #include <stdint.h>
diff --git a/tools/testing/selftests/damon/debugfs_target_ids_read_before_terminate_race.c b/tools/testing/selftests/damon/debugfs_target_ids_read_before_terminate_race.c
index b06f52a8ce2d..4aeac55ac93e 100644
--- a/tools/testing/selftests/damon/debugfs_target_ids_read_before_terminate_race.c
+++ b/tools/testing/selftests/damon/debugfs_target_ids_read_before_terminate_race.c
@@ -2,8 +2,6 @@
 /*
  * Author: SeongJae Park <sj@xxxxxxxxxx>
  */
-#define _GNU_SOURCE
-
 #include <fcntl.h>
 #include <stdbool.h>
 #include <stdint.h>
-- 
2.45.0.118.g7fe29c98d7-goog