Fix typo

Author: tarasio

src/Entity/User.php

@@ -157,7 +157,7 @@ public function setRoles(array $roles): void
     public function getSalt(): ?string
     {
         // We're using bcrypt in security.yaml to encode the password, so
-        // the salt value is built-in and and you don't have to generate one
+        // the salt value is built-in and you don't have to generate one
         // See https://en.wikipedia.org/wiki/Bcrypt
 
         return null;