Remove unused variables, and justin's old bishop code

src/functions.cpp

@@ -46,8 +46,6 @@ std::vector<Position> get_all_moves(Position pn, std::array<PieceType, 64> board
 	std::vector<Position> pns;
 	int x = pos_to_pair(pn).first;
 	int y = pos_to_pair(pn).second;
-	int dx;
-	int dy;	
 	switch(pt){
 		case PieceType::B_ROOK:
 		case PieceType::W_ROOK:
@@ -75,35 +73,7 @@ std::vector<Position> get_all_moves(Position pn, std::array<PieceType, 64> board
 							break;
 						}
 					}
-				/*
-				if (((i>x) && (i<8)) && ((j>y) && (j<8)))
-				{
-					dx = i-x;
-					dy = j-y;
-					if (dx == dy){pns.push_back(pair_to_pos(std::make_pair(x+dx,y+dy)));}
 				}
-				if (((i>=0) && (i<x)) && ((j>y) && (j<8)))
-				{
-					dx = i+1;
-					dy = j-y;
-					if (dx == dy){pns.push_back(pair_to_pos(std::make_pair(x-dx,y+dy)));}
-				}
-				if (((i>=0) && (i<x)) && ((j>=0) && (j<y)))
-				{
-					dx = i+1;
-					dy = j+1;
-					if (dx == dy){pns.push_back(pair_to_pos(std::make_pair(x-dx,y-dy)));}
-				}
-				if (((i>x) && (i<8)) && ((j>=0) && (j<y)))
-				{
-					dx = i-x;
-					dy = j+1;
-					if (dx == dy){pns.push_back(pair_to_pos(std::make_pair(x+dx,y-dy)));}
-				}
-				if ((i==x) && (j==y))
-				{
-					pns.push_back(pair_to_pos(std::make_pair(x,y)));
-				}*/
 			}
 		}
 		break;