Remove spreadsheet example from breaking change

Since we’re only showing this page to team who are using the API we
don’t have to worry about explaining what’s going on in terms of the
spreadsheet any more.

This makes the page simpler.

app/main/views/templates.py

@@ -609,20 +609,11 @@ def edit_service_template(service_id, template_id):
             not request.form.get('confirm') and
             current_service.api_keys
         ):
-            example_column_headings = (
-                first_column_headings[new_template.template_type] + list(new_template.placeholders)
-            )
             return render_template(
                 'views/templates/breaking-change.html',
                 template_change=template_change,
                 new_template=new_template,
-                column_headings=list(ascii_uppercase[:len(example_column_headings)]),
-                example_rows=[
-                    example_column_headings,
-                    get_example_csv_rows(new_template),
-                    get_example_csv_rows(new_template)
-                ],
-                form=form
+                form=form,
             )
         try:
             service_api_client.update_service_template(

app/templates/views/templates/breaking-change.html

@@ -2,7 +2,6 @@
 {% from "components/banner.html" import banner_wrapper %}
 {% from "components/page-header.html" import page_header %}
 {% from "components/page-footer.html" import page_footer %}
-{% from "components/table.html" import list_table, text_field, index_field, index_field_heading %}
 {% from "components/list.html" import list_of_placeholders %}
 {% from "components/form.html" import form_wrapper %}
 
@@ -30,6 +29,8 @@
     {% endif %}
   </div>
 
+  <p class="top-gutter">Developers, you’ll need to update your API calls</p>
+
   {% call form_wrapper() %}
     <input type="hidden" name="name" value="{{ new_template.name }}" />
     <input type="hidden" name="subject" value="{{ new_template._subject or '' }}" />
@@ -40,30 +41,4 @@
     {{ page_footer('Save changes to template') }}
   {% endcall %}
 
-  <p>
-    When you send messages using this template you’ll need
-    {{ column_headings|length }}
-    column{{ 's' if column_headings|length > 1 else '' }} of data:
-  </p>
-
-  <div class="spreadsheet fullscreen-content" data-module="fullscreen-table"">
-    {% call(item, row_number) list_table(
-      example_rows,
-      caption="Example",
-      caption_visible=False,
-      field_headings=[''] + column_headings
-    ) %}
-      {% if 1 == row_number %}
-        {{ index_field('') }}
-      {% else %}
-        {{ index_field(row_number - 1) }}
-      {% endif %}
-      {% for column in item %}
-        {{ text_field(column) }}
-      {% endfor %}
-    {% endcall %}
-  </div>
-
-  <p class="top-gutter">Developers, you’ll need to update your API calls</p>
-
 {% endblock %}

tests/app/main/views/test_templates.py

@@ -1483,7 +1483,6 @@ def test_should_403_when_create_template_with_process_type_of_priority_for_non_p
         [
             'You removed ((date))',
             'You added ((name))',
-            'When you send messages using this template you’ll need 3 columns of data:',
         ]
     ),
     (
@@ -1492,7 +1491,6 @@ def test_should_403_when_create_template_with_process_type_of_priority_for_non_p
         [
             'You removed ((date))',
             'You added ((name))',
-            'When you send messages using this template you’ll need 9 columns of data:',
         ]
     ),
 ])