More _write_layout_method removal

actionpack/test/controller/layout_test.rb

@@ -38,15 +38,6 @@ class ControllerNameSpace::NestedController < LayoutTest
 class MultipleExtensions < LayoutTest
 end
 
-if defined?(ActionController::Http)
-  LayoutTest._write_layout_method
-  ProductController._write_layout_method
-  ItemController._write_layout_method
-  ThirdPartyTemplateLibraryController._write_layout_method
-  MultipleExtensions._write_layout_method
-  ControllerNameSpace::NestedController._write_layout_method
-end
-
 class LayoutAutoDiscoveryTest < ActionController::TestCase
   def setup
     super

actionpack/test/controller/mime_responds_test.rb

@@ -512,11 +512,6 @@ def index
   end
 end
 
-if defined?(ActionController::Http)
-  PostController._write_layout_method
-  SuperPostController._write_layout_method
-end
-
 class MimeControllerLayoutsTest < ActionController::TestCase
   tests PostController