PosMap: remove unneeded type bound

src/repr/board.rs

@@ -10,7 +10,7 @@ use std::{
 /// Map of all points on the board against some type T
 /// Used to index like so: example[i][j]
 /// with each coordinate
-pub struct PosMap<T: Default>(ArrayVec<T, { Board::AREA.0 as usize }>);
+pub struct PosMap<T>(ArrayVec<T, { Board::AREA.0 as usize }>);
 
 impl<T: Default> PosMap<T> {
     #[allow(clippy::new_without_default)]