remove resubmit button from API submissions

app/views/submit_form/completed.html.erb

@@ -36,7 +36,7 @@
         </span>
       </download-button>
     </div>
-    <% if @submitter.submission.template.submitters.size == 1 %>
+    <% if @submitter.submission.template.submitters.size == 1 && %w[api embed].exclude?(@submitter.submission.source) %>
       <div class="divider uppercase"><%= t('or') %></div>
       <div>
         <%= button_to button_title(title: t('resubmit'), disabled_with: t('resubmit'), icon: svg_icon('reload', class: 'w-6 h-6')), start_form_path(@submitter.submission.template.slug), params: { submitter: { email: @submitter.email, phone: @submitter.phone, name: @submitter.name }, resubmit: @submitter.slug }, method: :put, form: { onsubmit: 'event.submitter.disabled = true' }, class: 'white-button w-full' %>