reverted:
--- b/core/core.services.yml
+++ a/core/core.services.yml
@@ -557,7 +557,6 @@
     arguments: ['@module_handler']
   config_import_subscriber:
     class: Drupal\Core\EventSubscriber\ConfigImportSubscriber
-    arguments: ['@string_translation']
     tags:
       - { name: event_subscriber }
   config_snapshot_subscriber:
reverted:
--- b/core/modules/system/system.services.yml
+++ a/core/modules/system/system.services.yml
@@ -26,7 +26,6 @@
       - { name: theme_negotiator, priority: 1000 }
   system.config_subscriber:
     class: Drupal\system\SystemConfigSubscriber
-    arguments: ['@string_translation']
     tags:
       - { name: event_subscriber }
   system.automatic_cron: