log: Remove unused `_POSIX_TIMERS` branch in `PerformanceTimer::query()`.

diff --git a/kernel/log.h b/kernel/log.h
index d8e748ff8f770c7270a907fceb6b94233699c2a2..5986e0075c27977cf3e4a31b02f93c8554472d54 100644 (file)
--- a/kernel/log.h
+++ b/kernel/log.h
@@ -308,10 +308,6 @@ struct PerformanceTimer
        static int64_t query() {
 #  ifdef _WIN32
                return 0;
-#  elif defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
-               struct timespec ts;
-               clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
-               return int64_t(ts.tv_sec)*1000000000 + ts.tv_nsec;
 #  elif defined(RUSAGE_SELF)
                struct rusage rusage;
                int64_t t = 0;