Don’t let people redact letter templates

It doesn’t work, so we shouldn’t show the link.

app/templates/views/templates/template.html

@@ -70,12 +70,14 @@
         </span>
         &emsp;
       {% endif %}
-      {% if not template._template.redact_personalisation %}
+      {% if template.template_type != 'letter' %}
-        <span class="page-footer-delete-link page-footer-delete-link-without-button">
+        {% if not template._template.redact_personalisation %}
-          <a href="{{ url_for('.confirm_redact_template', service_id=current_service.id, template_id=template.id) }}">Hide personalisation after sending</a>
+          <span class="page-footer-delete-link page-footer-delete-link-without-button">
-        </span>
+            <a href="{{ url_for('.confirm_redact_template', service_id=current_service.id, template_id=template.id) }}">Hide personalisation after sending</a>
-      {% else %}
+          </span>
-        <p class="hint">Personalisation is hidden after sending</p>
+        {% else %}
+          <p class="hint">Personalisation is hidden after sending</p>
+        {% endif %}
       {% endif %}
     {% endif %}
   </div>

tests/app/main/views/test_templates.py

@@ -1241,6 +1241,28 @@ def test_should_show_hint_once_template_redacted(
     assert page.select('.hint')[0].text == 'Personalisation is hidden after sending'
 
 
+def test_should_not_show_redaction_stuff_for_letters(
+    client_request,
+    mocker,
+    fake_uuid,
+    mock_get_service_letter_template,
+    single_letter_contact_block,
+):
+
+    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)
+
+    page = client_request.get(
+        'main.view_template',
+        service_id=SERVICE_ONE_ID,
+        template_id=fake_uuid,
+    )
+
+    assert page.select('.hint') == []
+    assert 'personalisation' not in ' '.join(
+        link.text.lower() for link in page.select('a')
+    )
+
+
 def test_set_template_sender(
     client_request,
     fake_uuid,