Inject parameter instead of service

We are injecting CraueConfig service when we only need to retrieve one or two values from it.
Instead I discovered we can directly inject a value from a service in the service definition!

src/Wallabag/UserBundle/Mailer/AuthCodeMailer.php

@@ -4,7 +4,6 @@ namespace Wallabag\UserBundle\Mailer;
 
 use Scheb\TwoFactorBundle\Model\Email\TwoFactorInterface;
 use Scheb\TwoFactorBundle\Mailer\AuthCodeMailerInterface;
-use Craue\ConfigBundle\Util\Config;
 
 /**
  * Custom mailer for TwoFactorBundle email.
@@ -61,16 +60,17 @@ class AuthCodeMailer implements AuthCodeMailerInterface
      * @param \Twig_Environment $twig
      * @param string            $senderEmail
      * @param string            $senderName
-     * @param Config            $craueConfig Craue\Config instance to get wallabag support url from database
+     * @param string            $supportUrl  wallabag support url
+     * @param string            $wallabagUrl wallabag instance url
      */
-    public function __construct(\Swift_Mailer $mailer, \Twig_Environment $twig, $senderEmail, $senderName, Config $craueConfig)
+    public function __construct(\Swift_Mailer $mailer, \Twig_Environment $twig, $senderEmail, $senderName, $supportUrl, $wallabagUrl)
     {
         $this->mailer = $mailer;
         $this->twig = $twig;
         $this->senderEmail = $senderEmail;
         $this->senderName = $senderName;
-        $this->supportUrl = $craueConfig->get('wallabag_support_url');
-        $this->wallabagUrl = $craueConfig->get('wallabag_url');
+        $this->supportUrl = $supportUrl;
+        $this->wallabagUrl = $wallabagUrl;
     }
 
     /**

src/Wallabag/UserBundle/Resources/config/services.yml

@@ -6,7 +6,8 @@ services:
             - "@twig"
             - "%scheb_two_factor.email.sender_email%"
             - "%scheb_two_factor.email.sender_name%"
-            - "@craue_config"
+            - '@=service(''craue_config'').get(''wallabag_support_url'')'
+            - '@=service(''craue_config'').get(''wallabag_url'')'
 
     wallabag_user.password_resetting:
         class: Wallabag\UserBundle\EventListener\PasswordResettingListener