chore: remove pawns_positions vector

src/logic/board.rs

@@ -5,7 +5,6 @@ use log::{debug, info, warn};
 
 pub struct Board {
     board: Vec<Field>,
-    pawns_positions: Vec<Position>,
     pub size: usize,
 }
 
@@ -56,16 +55,7 @@ impl Board {
             })
             .collect();
 
-        let pawns_positions: Vec<Position> = board
-            .iter()
-            .filter_map(|field| field.pawn.as_ref().map(|_| field.position))
-            .collect();
-
-        Board {
-            board,
-            size,
-            pawns_positions,
-        }
+        Board { board, size }
     }
 
     /// Checks if move from position to position is valid.