replaced mail_system by symfony mailer

config/sync/core.extension.yml

@@ -34,6 +34,7 @@ module:
   commerce_cart: 0
   commerce_cart_api: 0
   commerce_checkout: 0
+  commerce_email: 0
   commerce_license: 0
   commerce_log: 0
   commerce_number_pattern: 0
@@ -127,12 +128,10 @@ module:
   locale: 0
   login_history: 0
   login_tracker: 0
-  mailgun: 0
   mailjet: 0
   mailjet_commerce: 0
   mailjet_event: 0
   maillog: 0
-  mailsystem: 0
   masquerade: 0
   materio_commerce: 0
   materio_decoupled: 0
@@ -149,7 +148,6 @@ module:
   menu_block: 0
   menu_ui: 0
   message: 0
-  mimemail: 0
   modules_weight: 0
   node: 0
   options: 0
@@ -171,7 +169,6 @@ module:
   recurring_period: 0
   redirect: 0
   redis: 0
-  reroute_email: 0
   responsive_image: 0
   rest: 0
   restui: 0
@@ -194,7 +191,8 @@ module:
   string_translation_ui: 0
   strings_i18n_json_export: 0
   structure_sync: 0
-  swiftmailer: 0
+  symfony_mailer: 0
+  symfony_mailer_bc: 0
   synonyms: 0
   synonyms_autocomplete: 0
   synonyms_list_field: 0