Issue #2263255 by alexpott: Cache.config only has a single key in it for...

Issue #2263255 by alexpott: Cache.config only has a single key in it for config schema this seems a waste.

core/core.services.yml

@@ -38,13 +38,6 @@ services:
     factory_method: get
     factory_service: cache_factory
     arguments: [bootstrap]
-  cache.config:
-    class: Drupal\Core\Cache\CacheBackendInterface
-    tags:
-      - { name: cache.bin }
-    factory_method: get
-    factory_service: cache_factory
-    arguments: [config]
   cache.default:
     class: Drupal\Core\Cache\CacheBackendInterface
     tags:
@@ -115,7 +108,7 @@ services:
     class: Drupal\Core\Config\InstallStorage
   config.typed:
     class: Drupal\Core\Config\TypedConfigManager
-    arguments: ['@config.storage', '@config.storage.schema', '@cache.config']
+    arguments: ['@config.storage', '@config.storage.schema', '@cache.discovery']
   cron:
     class: Drupal\Core\Cron
     arguments: ['@module_handler', '@lock', '@queue', '@state', '@current_user', '@session_manager']

core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php

@@ -43,7 +43,7 @@ public function testDefaultConfig() {
     $typed_config = new TypedConfigManager(
       \Drupal::service('config.storage'),
       new TestInstallStorage(InstallStorage::CONFIG_SCHEMA_DIRECTORY),
-      \Drupal::service('cache.config')
+      \Drupal::service('cache.discovery')
     );
 
     // Create a configuration storage with access to default configuration in

core/modules/locale/locale.services.yml

 services:
   locale.config.typed:
     class: Drupal\locale\LocaleConfigManager
-    arguments: ['@config.storage', '@config.storage.schema', '@config.storage.installer', '@locale.storage', '@cache.config', '@config.factory', '@language_manager']
+    arguments: ['@config.storage', '@config.storage.schema', '@config.storage.installer', '@locale.storage', '@cache.discovery', '@config.factory', '@language_manager']
   locale.storage:
     class: Drupal\locale\StringDatabaseStorage
     arguments: ['@database']