The notifications parameters are now simplified

src/Module/Register.php

@@ -367,15 +367,13 @@ class Register extends BaseModule
 				\notification([
 					'type'         => Model\Notify\Type::SYSTEM,
 					'event'        => 'SYSTEM_REGISTER_REQUEST',
+					'uid'          => $admin['uid'],
+					'link'         => $base_url . '/admin/users/',
 					'source_name'  => $user['username'],
 					'source_mail'  => $user['email'],
 					'source_nick'  => $user['nickname'],
 					'source_link'  => $base_url . '/admin/users/',
-					'link'         => $base_url . '/admin/users/',
 					'source_photo' => $base_url . '/photo/avatar/' . $user['uid'] . '.jpg',
-					'to_email'     => $admin['email'],
-					'uid'          => $admin['uid'],
-					'language'     => ($admin['language'] ?? '') ?: 'en',
 					'show_in_notification_page' => false
 				]);
 			}