Simplify item page rendering

Just removing some caching and the expiration of it! There's still more superfluous(?) caching on the item page to audit, but these seem a bit more sensible about avoiding loading extra data.

app/controllers/items_controller.rb

@@ -61,14 +61,12 @@ class ItemsController < ApplicationController
 
     respond_to do |format|
       format.html do
-        unless localized_fragment_exist?("items/#{@item.id} info")
         @occupied_zones = @item.occupied_zones(
           scope: Zone.includes_translations.alphabetical
         )
         @restricted_zones = @item.restricted_zones(
           scope: Zone.includes_translations.alphabetical
         )
-        end
         
         unless localized_fragment_exist?("items/#{@item.id} contributors")
           @contributors_with_counts = @item.contributors_with_counts

app/models/item/update_task.rb

@@ -16,8 +16,6 @@ class Item
     private
 
     def self.expire_cache_for(item)
-      expire_fragment_in_all_locales("items/#{item.id} header")
-      expire_fragment_in_all_locales("items/#{item.id} info")
       expire_key_in_all_locales("items/#{item.id}#as_json")
     end
   end

app/views/items/show.html.haml

@@ -1,7 +1,6 @@
 - title @item.name
 - canonical_path @item
 
-- localized_cache "items/#{@item.id} header" do
 %header#item-header
   = image_tag @item.thumbnail.secure_url, :id => 'item-thumbnail'
   %div
@@ -47,7 +46,6 @@
                               t('.closet_hangers.quantity_label')
       = submit_tag t('.closet_hangers.submit')
 
-- localized_cache "items/#{@item.id} info" do
 %p= @item.description
 
 #item-zones
@@ -73,7 +71,6 @@
             %span.more= t '.trading_closet_hangers.show_more'
             %span.less= t '.trading_closet_hangers.show_less'
 
-- localized_cache 'items#show preview_header' do
 #item-preview-header
   %h3= t '.preview.header'
   = link_to t('.preview.customize_more'), root_path, :id => 'customize-more',