Remove duplicate line in simkenwood.c

simulators/simkenwood.c

@@ -143,7 +143,6 @@ int main(int argc, char *argv[])
             usleep(50 * 1000);
             int id = 24;
             snprintf(buf, sizeof(buf), "ID%03d;", id);
-            n = snprintf(buf, sizeof(buf), "ID%03d;", id);
             n = write(fd, buf, strlen(buf));
             printf("n=%d\n", n);