Revert "FIX: deprecation warning - initialization autoloaded the constant (#12347)" (#12381)

This reverts commit 9a5a38a529.

This change was preventing `rake multisite:migrate` from working

config/application.rb

@@ -55,8 +55,6 @@ require 'pry-rails' if Rails.env.development?
 
 require 'discourse_fonts'
 
-require_relative '../lib/zeitwerk_config.rb'
-
 if defined?(Bundler)
   bundler_groups = [:default]
 
@@ -118,7 +116,6 @@ module Discourse
     config.autoload_paths += Dir["#{config.root}/lib/validators/"]
 
     Rails.autoloaders.main.ignore(Dir["#{config.root}/app/models/reports"])
-    Rails.autoloaders.main.ignore(Dir["#{config.root}/lib/freedom_patches"])
 
     # Only load the plugins named here, in the order given (default is alphabetical).
     # :all can be used as a placeholder for all plugins not explicitly named.