[board] Move piece! and position! macros to a new macros.rs module

board/src/position/position.rs

@@ -18,15 +18,6 @@ pub(crate) enum BoardSide {
     Queen,
 }
 
-#[macro_export]
-macro_rules! position {
-    [$($color:ident $shape:ident on $square:ident,)*] => {
-        $crate::Position::from_iter([
-            $($crate::piece!($color $shape on $square)),*
-        ].into_iter())
-    };
-}
-
 #[derive(Clone, Eq, PartialEq)]
 pub struct Position {
     color_to_move: Color,