Explicitly defines the kClockSystemTrace in the syscall parameters test

sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc

Index: sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
diff --git a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
index 5c3f785d070de5defa8238db35ab57763d7262f4..280211a349c5a80fa009fa4ced1af84eabf62866 100644
--- a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
+++ b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
@@ -92,18 +92,6 @@ BPF_DEATH_TEST_C(ParameterRestrictions,
   clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
 }
 
-#if defined(OS_LINUX)
-
-BPF_DEATH_TEST_C(ParameterRestrictions,
-                 clock_gettime_crash_system_trace,
-                 DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
-                 RestrictClockIdPolicy) {
-  struct timespec ts;
-  clock_gettime(base::TraceTicks::kClockSystemTrace, &ts);
-}
-
-#endif  // defined(OS_LINUX)
-
 #if !defined(OS_ANDROID)
 BPF_DEATH_TEST_C(ParameterRestrictions,
                  clock_gettime_crash_cpu_clock,