Release15fix (#3531)

* Revert "Update from Shopify for theme dawn/release/15.0.0"

This reverts commit 5b20d89.

* Revert "Update from Shopify for theme dawn/release/15.0.0"

This reverts commit f0b822d.

* Revert "Update from Shopify for theme dawn/release/15.0.0"

This reverts commit 64e1d8e.

* Revert "Update from Shopify for theme dawn/release/15.0.0"

This reverts commit a8a7529.

Author: dan-menard

sections/main-product.liquid

@@ -138,7 +138,7 @@
                   {%- form 'product', product, id: product_form_installment_id, class: 'installment caption-large' -%}
                     <input type="hidden" name="id" value="{{ product.selected_or_first_available_variant.id }}">
                     {{ form | payment_terms }}
-                  {%- endform -%} -->
+                  {%- endform -%}
                 </div>
               {%- when 'inventory' -%}
                 <p