Tell user that container.autowiring.strict_mode can be deleted with Symfony 4.0+

symfony/framework-bundle/3.3/src/Kernel.php

@@ -36,6 +36,8 @@ class Kernel extends BaseKernel
 
     protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader)
     {
+        // Feel free to remove the "container.autowiring.strict_mode" parameter
+        // if you are using symfony/dependency-injection 4.0+ as it's the default behavior
         $container->setParameter('container.autowiring.strict_mode', true);
         $container->setParameter('container.dumper.inline_class_loader', true);
         $confDir = $this->getProjectDir().'/config';