WebHost: Remove styleController.js and replace functionality with HTML/CSS. (#4852)

* ensure footer stays at bottom of page without JS

* Remove some other usages.

WebHostLib/templates/landing.html

@@ -1,4 +1,5 @@
 {% extends 'pageWrapper.html' %}
+{% set show_footer = True %}
 
 {% block head %}
     <title>Archipelago</title>
@@ -57,5 +58,4 @@
             </div>
         </div>
     </div>
-    {% include 'islandFooter.html' %}
 {% endblock %}