stop circular require warnings

actionpack/lib/action_dispatch/railtie.rb

 require "action_dispatch"
-require "rails"
 
 module ActionDispatch
   class Railtie < Rails::Railtie

activesupport/lib/active_support/i18n_railtie.rb

 require "active_support"
-require "rails"
 require "active_support/file_update_checker"
 require "active_support/core_ext/array/wrap"
 

activesupport/lib/active_support/railtie.rb

 require "active_support"
-require "rails"
 require "active_support/i18n_railtie"
 
 module ActiveSupport