Stop caching item page contributors

This lets us remove the contribution observer too!

app/controllers/items_controller.rb

@@ -65,9 +65,7 @@ class ItemsController < ApplicationController
           scope: Zone.includes_translations.alphabetical
         )
         
-        unless localized_fragment_exist?("items/#{@item.id} contributors")
         @contributors_with_counts = @item.contributors_with_counts
-        end
 
         @supported_species_ids = @item.supported_species_ids
         unless localized_fragment_exist?("items/show standard_species_images special_color=#{@item.special_color_id}")

app/models/contribution_observer.rb

@@ -1,10 +0,0 @@
-class ContributionObserver < ActiveRecord::Observer
-  include FragmentExpiration
-  
-  def after_create(contribution)
-    if contribution.contributed_type == 'SwfAsset'
-      item = contribution.contributed.item
-      expire_fragment_in_all_locales("items/#{item.id} contributors")
-    end
-  end
-end

app/views/items/show.html.haml

@@ -84,7 +84,6 @@
   #item-preview-error
   #item-preview-swf= t '.preview.requirements_not_met'
 
-- localized_cache "items/#{@item.id} contributors" do
 - unless @contributors_with_counts.empty?
   #item-contributors
     %header #{t '.contributors.header'}:

config/application.rb

@@ -14,8 +14,7 @@ module OpenneoImpressItems
 
     # Activate observers that should always be running
     config.active_record.observers = [:closet_hanger_observer,
-      :closet_list_observer, :contribution_observer,
-      :pet_type_observer, :user_sweeper]
+      :closet_list_observer, :pet_type_observer, :user_sweeper]
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.