Refactor service

ShopBundle/Services/UtilsManager.php

                 return $this->utils ;
         }
 
-        public function getUserUtils(): UserUtilsInterface
+        public function getUserUtils(): UserUtils
         {
                 return $this->userUtils ;
         }
                 return $this->deliveryUtils ;
         }
 
-        public function getCreditUtils(): CreditUtilsInterface
+        public function getCreditUtils(): CreditUtils
         {
                 return $this->creditUtils ;
         }
 
-        public function getDocumentUtils(): DocumentUtilsInterface
+        public function getDocumentUtils(): DocumentUtils
         {
                 return $this->documentUtils ;
         }