Stop caching pet type images on item page

That's easy queries and easy templates!

app/controllers/items_controller.rb

@@ -68,9 +68,8 @@ class ItemsController < ApplicationController
         @contributors_with_counts = @item.contributors_with_counts
 
         @supported_species_ids = @item.supported_species_ids
-        unless localized_fragment_exist?("items/show standard_species_images special_color=#{@item.special_color_id}")
-          @basic_colored_pet_types_by_species_id = PetType.special_color_or_basic(@item.special_color).includes_child_translations.group_by(&:species)
-        end
+        @basic_colored_pet_types_by_species_id = PetType.special_color_or_basic(@item.special_color).
+          includes_child_translations.group_by(&:species)
 
         @trading_closet_hangers_by_owned = {
           true => @item.closet_hangers.owned_trading.newest.includes(:user),

app/models/pet_type_observer.rb

@@ -1,8 +0,0 @@
-class PetTypeObserver < ActiveRecord::Observer
-  include FragmentExpiration
-  
-  def after_create(pet_type)
-    images_key = "items/show standard_species_images special_color=#{pet_type.color_id}"
-    expire_fragment_in_all_locales(images_key)
-  end
-end

app/views/items/show.html.haml

@@ -78,8 +78,6 @@
 
 #item-preview
   %ul#item-preview-species{'data-supported-species-ids' => @supported_species_ids.join(',')}
-    -# TODO: filter by compatibility
-    - localized_cache "items/show standard_species_images special_color=#{@item.special_color_id}" do
     = standard_species_images_for(@basic_colored_pet_types_by_species_id)
   #item-preview-error
   #item-preview-swf= t '.preview.requirements_not_met'

config/application.rb

@@ -14,7 +14,7 @@ module OpenneoImpressItems
 
     # Activate observers that should always be running
     config.active_record.observers = [:closet_hanger_observer,
-      :closet_list_observer, :pet_type_observer, :user_sweeper]
+      :closet_list_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.