remove print

src/search.rs

@@ -324,7 +324,6 @@ pub fn search(mut board: Board, sc: &mut SearchControl, hashs: Arc<RwLock<Cache>
         );
 
         if sc.move_history.read().unwrap().lookup(board.zobrist.as_ref().unwrap().1) >= 2 {
-            println!("mov {} hit", mov.to_string());
             val = 0;
         }