Enhancement - Checkout without account
If customer doesn't need create account and login to checkout, copy attached shopping_cart.tpl.php in templates/STORE_DEFAULT_TEMPLATE/content/ and update header.php as below
<?php if (PWA_ON == 'false'){?>
<ul class="account-menu nav-item pull-right no-margin-bottom">
header login and my account menu.
</ul>
<?php }?>