- Removed links to the gov uk stylesheets

- Deleted /stylesheets folder
- Removed sass build from gulpfile
- Changed gov links to usa links
- Changed other govuk styles, like breadcrumbs
- Changed name of uk_components file to us_components
- Fixed a few tests that broke on account of the changes

app/templates/views/pricing/how-to-pay.html

@@ -10,7 +10,7 @@
     {{ page_header('How to pay') }}
 
     <!-- <p>
-      If you use Notify.gov to send text messages, you may need to send us a <a class="govuk-link govuk-link--no-visited-state" href="#purchase-orders">purchase order</a>.
+      If you use Notify.gov to send text messages, you may need to send us a <a class="usa-link" href="#purchase-orders">purchase order</a>.
     </p>
 
     <h2 class="font-body-lg" id="invoices">
@@ -26,7 +26,7 @@
     </p>
 
     <ul class="list list-bullet">
-      <li>exceed the <a class="govuk-link govuk-link--no-visited-state" href="{{ url_for('.pricing') }}">free text message allowance</a></li>
+      <li>exceed the <a class="usa-link" href="{{ url_for('.pricing') }}">free text message allowance</a></li>
     </ul>
 
     <p>
@@ -58,7 +58,7 @@
     </p>
 
     <p>
-      Your organization may need to <a class="govuk-link govuk-link--no-visited-state" href="{{ url_for('main.billing_details') }}">add the Cabinet Office as a supplier</a> before you can raise a <abbr title="purchase order">PO</abbr>.
+      Your organization may need to <a class="usa-link" href="{{ url_for('main.billing_details') }}">add the Cabinet Office as a supplier</a> before you can raise a <abbr title="purchase order">PO</abbr>.
     </p> -->
 
 {% endblock %}