removed light theme in fx, kept it in wnp

bedrock/base/templates/base-protocol.html

@@ -102,9 +102,7 @@
       {% block content %}{% endblock %}
 
       {% block site_footer %}
-        {% with theme_class='mzp-t-light' %}
+        {% include 'includes/protocol/footer/footer.html' %}
-          {% include 'includes/protocol/footer/footer.html' %}
-        {% endwith %}
       {% endblock %}
 
       {# Banner is last in HTML as it's low priority for search engines and uses `data-nosnippet` (issue #8739) #}

bedrock/firefox/templates/firefox/whatsnew/base.html

@@ -24,4 +24,11 @@
 
   {% include 'firefox/whatsnew/includes/release-notes.html' %}
 </main>
+
+{% endblock %}
+
+{% block site_footer %}
+  {% with theme_class='mzp-t-light' %}
+    {% include 'includes/protocol/footer/footer.html' %}
+  {% endwith %}
 {% endblock %}