No longer keep DirectoryResources for translation dirs in container

Now that the translator keeps track of its own directories for caching
the container no longer needs to it. This means that when a translation
changes or is added the container no longer needs to be fully rebuilt,
saving a considerable amount of time.

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -1022,29 +1022,28 @@ private function registerTranslatorConfiguration(array $config, ContainerBuilder
         $defaultDir = $container->getParameterBag()->resolveValue($config['default_path']);
         $rootDir = $container->getParameter('kernel.root_dir');
         foreach ($container->getParameter('kernel.bundles_metadata') as $name => $bundle) {
-            if ($container->fileExists($dir = $bundle['path'].'/Resources/translations')) {
+            if ($container->fileExists($dir = $bundle['path'].'/Resources/translations', false)) {
                 $dirs[] = $dir;
             } else {
                 $nonExistingDirs[] = $dir;
             }
-            if ($container->fileExists($dir = $rootDir.sprintf('/Resources/%s/translations', $name))) {
+            if ($container->fileExists($dir = $rootDir.sprintf('/Resources/%s/translations', $name), false)) {
                 @trigger_error(sprintf('Translations directory "%s" is deprecated since Symfony 4.2, use "%s" instead.', $dir, $defaultDir), E_USER_DEPRECATED);
-
                 $dirs[] = $dir;
             } else {
                 $nonExistingDirs[] = $dir;
             }
         }
 
         foreach ($config['paths'] as $dir) {
-            if ($container->fileExists($dir)) {
+            if ($container->fileExists($dir, false)) {
                 $dirs[] = $dir;
             } else {
                 throw new \UnexpectedValueException(sprintf('%s defined in translator.paths does not exist or is not a directory', $dir));
             }
         }
 
-        if ($container->fileExists($defaultDir)) {
+        if ($container->fileExists($defaultDir, false)) {
             $dirs[] = $defaultDir;
         } else {
             $nonExistingDirs[] = $defaultDir;