Update paypal.php - SSL Ajax Cart issue

If SSL and Ajax Cart is enabled, customer won't be able to add anything to the basket. Commenting this part of code has solved the issue. Details: prestashop.com/forums/index.php?/topic/237945-impossible-to-add-the-product-to-the-cart-after-upgrading-to-154/page__view__findpost__p__1188564