Revert "require new email status style"

This reverts commit 4d87a391ad.

blueprints.yaml

@@ -18,7 +18,7 @@ dependencies:
     - { name: grav, version: '>=1.7.42' }
     - { name: form, version: '>=6.0.1' }
     - { name: login, version: '>=3.7.0' }
-    - { name: email, version: '>=4.1.0' }
+    - { name: email, version: '>=3.1.6' }
     - { name: flex-objects, version: '>=1.2.0' }
 
 form:

classes/plugin/Controllers/Login/LoginController.php

@@ -483,8 +483,6 @@ class LoginController extends AdminController
         try {
             $message = $email->message($subject, $body, 'text/html')->setFrom($from)->setTo($to);
             $sent = $email->send($message);
-            //backward compatibility
-            $sent = $sent['status'] ?? 1;
             if ($sent < 1) {
                 throw new \RuntimeException('Sending email failed');
             }