avutil/tests/lfg: Remove debugging start/stop timer

Fixes code with qemu ARM
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavutil/tests/lfg.c

@@ -104,15 +104,12 @@ int main(void)
     int x = 0;
     int i, j;
     AVLFG state;
-
     av_lfg_init(&state, 0xdeadbeef);
     for (j = 0; j < 10000; j++) {
-        START_TIMER
         for (i = 0; i < 624; i++) {
             //av_log(NULL, AV_LOG_ERROR, "%X\n", av_lfg_get(&state));
             x += av_lfg_get(&state);
         }
-        STOP_TIMER("624 calls of av_lfg_get");
     }
     av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x);