permit_concurrent_loads is not needed with zeitwerk autoloader

This was only needed for classic autoloader.  The core "freedom" patch made zeitwerk autoloader
bypass the interlock anyway, so now that we're only supporting zeitwerk, this is no longer
needed.

Co-dependency:
ManageIQ/manageiq#22801

Part of the rails 7 upgrade: ManageIQ/manageiq#22052

lib/miq_automation_engine/engine/miq_ae_engine/miq_ae_method.rb

@@ -145,10 +145,8 @@ def self.verbose_rc(return_code)
     def self.run_ruby_method(code, miq_request_id)
       ActiveRecord::Base.connection_pool.release_connection unless Rails.env.test?
       with_automation_env do
-        ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
-          run_method(Gem.ruby, miq_request_id) do |stdin|
-            stdin.puts(code)
-          end
+        run_method(Gem.ruby, miq_request_id) do |stdin|
+          stdin.puts(code)
         end
       end
     end