clippy

src/repr/board.rs

@@ -1,6 +1,5 @@
 use super::{bitboard::BitBoard, piece::Piece, CoordAxis, CoordPair};
 use arrayvec::ArrayVec;
-use const_fn::const_fn;
 use rand::seq::IteratorRandom;
 use std::{cmp::Ordering, fmt};