Make page title match <h1>

This is what we do as convention, unless there’s a good reason not to, and is better than ’Email verification’.

app/templates/views/two-factor-email.html

@@ -2,7 +2,7 @@
 {% from "components/page-footer.html" import page_footer %}
 
 {% block per_page_title %}
-  Email verification
+  {{ title }}
 {% endblock %}
 
 {% block maincolumn_content %}