Remove method missing handling when action is not found, use action missing instead

Do not create a method_missing method to handle not found actions, use
the action_missing method provided by Rails instead.

actionpack/lib/action_controller/metal/compatibility.rb

@@ -17,13 +17,5 @@ class << self
     def render_to_body(options)
       super || " "
     end
-
-    def _handle_method_missing
-      method_missing(@_action_name.to_sym)
-    end
-
-    def method_for_action(action_name)
-      super || (respond_to?(:method_missing) && "_handle_method_missing")
-    end
   end
 end

actionpack/test/controller/base_test.rb

@@ -40,29 +40,6 @@ def hidden_action
   end
 end
 
-class MethodMissingController < ActionController::Base
-  hide_action :shouldnt_be_called
-  def shouldnt_be_called
-    raise "NO WAY!"
-  end
-
-protected
-
-  def method_missing(selector)
-    render :text => selector.to_s
-  end
-end
-
-class AnotherMethodMissingController < ActionController::Base
-  cattr_accessor :_exception
-  rescue_from Exception, :with => :_exception=
-
-  protected
-  def method_missing(*attrs, &block)
-    super
-  end
-end
-
 class DefaultUrlOptionsController < ActionController::Base
   def from_view
     render :inline => "<%= #{params[:route]} %>"
@@ -159,28 +136,6 @@ def test_process_should_be_precise
     assert_equal exception.message, "The action 'non_existent' could not be found for EmptyController"
   end
 
-  def test_get_on_priv_should_show_selector
-    use_controller MethodMissingController
-    get :shouldnt_be_called
-    assert_response :success
-    assert_equal 'shouldnt_be_called', @response.body
-  end
-
-  def test_method_missing_is_not_an_action_name
-    use_controller MethodMissingController
-    assert !@controller.__send__(:action_method?, 'method_missing')
-
-    get :method_missing
-    assert_response :success
-    assert_equal 'method_missing', @response.body
-  end
-
-  def test_method_missing_should_recieve_symbol
-    use_controller AnotherMethodMissingController
-    get :some_action
-    assert_kind_of NameError, @controller._exception
-  end
-
   def test_get_on_hidden_should_fail
     use_controller NonEmptyController
     assert_raise(AbstractController::ActionNotFound) { get :hidden_action }