Remove grid column from edit user page

We don’t restrict the column width on the invite user page. Having it
restricted makes the hint text wrap awkwardly when editing users on an
Emergency Alerts service.

By removing the grid column the hint text looks better.

app/templates/views/edit-user-permissions.html

@@ -37,17 +37,16 @@
       </a>
     </p>
   {% endif %}
-  <div class="govuk-grid-row">
-    {% call form_wrapper(class="govuk-grid-column-three-quarters") %}
+  {% call form_wrapper() %}
 
-      {% include 'views/manage-users/permissions.html' %}
+    {% include 'views/manage-users/permissions.html' %}
 
-        {{ page_footer(
-          'Save',
-          delete_link=url_for('.edit_user_permissions', service_id=current_service.id, user_id=user.id, delete='yes'),
-          delete_link_text='Remove this team member'
-        ) }}
+    {{ page_footer(
+      'Save',
+      delete_link=url_for('.edit_user_permissions', service_id=current_service.id, user_id=user.id, delete='yes'),
+      delete_link_text='Remove this team member'
+    ) }}
+
+  {% endcall %}
 
-    {% endcall %}
-  </div>
 {% endblock %}