Update checkout payment detail template: cleanup archived packages, replace with the relevant ones.
<p>{% trans "This page needs implementing within your project. You may want to use one of Oscar's payment gateway libraries:" %}</p>
<ul>
<li><a href="https://github.com/django-oscar/django-oscar-paypal">django-oscar-paypal</a></li>
- <li><a href="https://github.com/django-oscar/django-oscar-datacash">django-oscar-datacash</a></li>
- <li><a href="https://github.com/django-oscar/django-oscar-gocardless">django-oscar-gocardless</a></li>
- <li><a href="https://github.com/django-oscar/django-oscar-paymentexpress">django-oscar-paymentexpress</a></li>
+ <li><a href="https://github.com/django-oscar/django-oscar-adyen">django-oscar-adyen</a></li>
+ <li><a href="https://github.com/django-oscar/django-oscar-docdata">django-oscar-docdata</a></li>
<li><a href="https://github.com/django-oscar/django-oscar-accounts">django-oscar-accounts</a></li>
</ul>
<a id="view_preview" href="{% url 'checkout:preview' %}" class="btn btn-primary btn-lg">{% trans "Continue" %}</a>
