Stop printing a warning about config.cache_classes being set to false

The initial warning was from 16 years ago from a bug report that no longer exists, for Rails 2 and is no longer relevant.

Author: erikaxel

CHANGELOG.md

@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 This file is intended to be modified using the [`changelog`](https://github.com/cucumber/changelog) command-line tool.
 
 ## [Unreleased]
+### Removed
+- Stop printing a warning about `config.cache_classes` being set to `false`
 
 ## [4.0.0] - 2025-09-01
 ### Changed

lib/cucumber/rails.rb

@@ -12,16 +12,6 @@
   require File.expand_path("#{ENV.fetch('RAILS_ROOT')}/config/environment")
   require 'cucumber/rails/action_dispatch'
   require 'rails/test_help'
-
-  unless Rails.application.config.cache_classes || defined?(Spring)
-    warn <<~MESSAGE
-      WARNING: You have set Rails' config.cache_classes to false (Spring needs cache_classes set to false).
-      This is known to cause problems with database transactions.
-
-      Set config.cache_classes to true if you want to use transactions.
-    MESSAGE
-  end
-
   require 'cucumber/rails/world'
   require 'cucumber/rails/hooks'
   require 'cucumber/rails/capybara'