Remove pointless #undefs of previously forbidden functions.

libavutil/parseutils.c

@@ -498,7 +498,6 @@ int av_parse_time(int64_t *timeval, const char *timestr, int duration)
     char lastch;
     int negative = 0;
 
-#undef time
     time_t now = time(0);
 
     len = strlen(timestr);
@@ -643,8 +642,6 @@ int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info
 
 #ifdef TEST
 
-#undef printf
-
 int main(void)
 {
     printf("Testing av_parse_video_rate()\n");