DRY the homes controller

app/controllers/home_controller.rb

@@ -1,14 +1,11 @@
 class HomeController < ApplicationController
   skip_authorize_resource
+  respond_to :html
 
   def index
     # we were previously generating a lot of instance variables like
     # @members_count and @interesting_crops in here, but now we call
     # the relevant class methods directly in the view, so that fragment
     # caching will be effective.
-
-    respond_to do |format|
-      format.html # index.html.haml
-    end
   end
 end