future_move/move: remove usages of tried_children

src/logic/future_moves.rs

@@ -109,7 +109,7 @@ impl FutureMoves {
             // we want to select all nodes that don't have children, or are lazy (need to maybe be regenerated)
             .filter(|&idx| {
                 let got = &self.arena[idx];
-                !got.is_trimmed && !got.tried_children && got.winner == Winner::None
+                !got.is_trimmed && got.children.is_empty() && got.winner == Winner::None
             })
             .filter(|&idx| self.is_connected_to_root(idx))
             .collect();
@@ -155,7 +155,6 @@ impl FutureMoves {
                 .progress_with_style(ProgressStyle::with_template(pstyle_inner).unwrap())
                 .try_for_each(|node_idx| {
                     self.generate_children(node_idx);
-                    self.arena[node_idx].tried_children = true;
 
                     if self.arena_len() >= self.config.max_arena_size {
                         ControlFlow::Break(())