remove deterministic starting player test

uttt.c

@@ -565,7 +565,6 @@ char ut_random_player(void) {
 	int random = open("/dev/urandom", O_RDONLY);
 	if (read(random, &player, 1) < 0) {return -1;}
 	player = (player % 2 == 0) ? 'X' : 'O';
-	player = 'X'; // testing
 	return player;
 }