Pawn moves

Sources/Engine/Pieces/Piece.swift

@@ -85,7 +85,6 @@ public class Piece: Hashable {
 			if let p = s.piece {
 				if p.color == color { return false }
 				if let king = p as? King {
-					#warning("It could be in check or behind another piece.")
 					delegate?.notify(.kingInCheck(self, on: king))
 					return false
 				}