MQE-743: Can't run tests without a store having "default" store code

- CR Fixes

Author: KevinBKozan

src/Magento/FunctionalTestingFramework/DataGenerator/Persist/Curl/WebapiExecutor.php

@@ -62,9 +62,6 @@ public function __construct($storeCode = null)
         }
 
         $this->storeCode = $storeCode;
-        if ($storeCode !== null) {
-            $this->storeCode = "{$storeCode}/";
-        }
         $this->transport = new CurlTransport();
         $this->authorize();
     }