src/CartService.php
public function removeItem($cartId, $itemPuid)
    {
        $cart = $this->getCartById($cartId);

        $cart->removeItem($itemPuid);

        $this->saveCart($cart);
    }
public function removeItem($cartId, $itemPuid)
    {
        $cart = $this->getCartById($cartId);

        $cart->removeItem($itemPuid);

        $this->saveCart($cart);
    }
@param int    $cartId
@param string $itemPuid

@throws CartNotFoundException
@throws CartItemNotFoundException