PERF: Shrink mobile payload, don't render for noscript on mobile

app/views/list/list.erb

@@ -1,3 +1,5 @@
+<%- unless mobile_view? %>
+
 <% if @category %>
   <h1>
     <% if @category.parent_category %>
@@ -39,6 +41,8 @@
   </div>
 <% end %>
 
+<%- end %>
+
 <% if @rss %>
   <% content_for :head do %>
     <%= auto_discovery_link_tag(:rss, "#{Discourse.base_url}/posts.rss", title: I18n.t("rss_description.posts")) %>