Removes action caching on /robots.txt.

git-svn-id: http://svn.redmine.org/redmine/trunk@15633 e93f8b46-1217-0410-a6f0-8f06a7374b81

Gemfile

@@ -11,7 +11,6 @@ gem "builder", ">= 3.0.4"
 gem "request_store", "1.0.5"
 gem "mime-types", (RUBY_VERSION >= "2.0" ? "~> 3.0" : "~> 2.99")
 gem "protected_attributes"
-gem "actionpack-action_caching"
 gem "actionpack-xml_parser"
 gem "roadie-rails"
 gem "mimemagic"

app/controllers/projects_controller.rb

@@ -27,12 +27,6 @@ class ProjectsController < ApplicationController
   accept_api_auth :index, :show, :create, :update, :destroy
   require_sudo_mode :destroy
 
-  after_filter :only => [:create, :edit, :update, :archive, :unarchive, :destroy] do |controller|
-    if controller.request.post?
-      controller.send :expire_action, :controller => 'welcome', :action => 'robots'
-    end
-  end
-
   helper :custom_fields
   helper :issues
   helper :queries

app/controllers/welcome_controller.rb

@@ -16,7 +16,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class WelcomeController < ApplicationController
-  caches_action :robots
 
   def index
     @news = News.latest User.current