session/player.go: Removed redundant type assertion when opening inve…

…ntories (#887)

Update player.go

server/session/player.go

@@ -240,12 +240,7 @@ func (s *Session) invByID(id int32) (*inventory.Inventory, bool) {
 		return s.armour.Inventory(), true
 	case protocol.ContainerLevelEntity:
 		if s.containerOpened.Load() {
-			b := s.c.World().Block(s.openedPos.Load())
-			if _, chest := b.(block.Chest); chest {
-				return s.openedWindow.Load(), true
-			} else if _, enderChest := b.(block.EnderChest); enderChest {
-				return s.openedWindow.Load(), true
-			}
+			return s.openedWindow.Load(), true
 		}
 	case protocol.ContainerBarrel:
 		if s.containerOpened.Load() {