Remove a failed attempt at refactoring AC configuration

actionpack/lib/action_controller.rb

@@ -13,7 +13,6 @@ module ActionController
   autoload_under "metal" do
     autoload :Compatibility
     autoload :ConditionalGet
-    autoload :Configuration
     autoload :Cookies
     autoload :Flash
     autoload :Head

actionpack/lib/action_controller/base.rb

@@ -15,7 +15,6 @@ module ActionController
     include ActionController::Renderers::All
     include ActionController::ConditionalGet
     include ActionController::RackDelegation
-    include ActionController::Configuration
 
     # Legacy modules
     include SessionManagement

actionpack/lib/action_controller/metal/configuration.rb

@@ -1,28 +0,0 @@
-module ActionController
-  module Configuration
-    extend ActiveSupport::Concern
-    
-    def config
-      @config ||= self.class.config
-    end
-    
-    def config=(config)
-      @config = config
-    end
-    
-    module ClassMethods
-      def default_config
-        @default_config ||= {}
-      end
-      
-      def config
-        self.config ||= default_config
-      end
-      
-      def config=(config)
-        @config = ActiveSupport::OrderedHash.new
-        @config.merge!(config)
-      end
-    end
-  end
-end

actionpack/lib/action_controller/metal/session_management.rb

@@ -2,8 +2,6 @@ module ActionController #:nodoc:
   module SessionManagement #:nodoc:
     extend ActiveSupport::Concern
 
-    include ActionController::Configuration
-
     module ClassMethods
       # Set the session store to be used for keeping the session data between requests.
       # By default, sessions are stored in browser cookies (<tt>:cookie_store</tt>),