remove return type definition in order to avoid type juggling

Author: adeptofvoltron

Authorization/Voter/TraceableVoter.php

@@ -39,7 +39,7 @@ public function __construct(VoterInterface $voter, EventDispatcherInterface $eve
         }
     }
 
-    public function vote(TokenInterface $token, $subject, array $attributes): int
+    public function vote(TokenInterface $token, $subject, array $attributes)
     {
         $result = $this->voter->vote($token, $subject, $attributes);