FFWEB-3207: Remove timeout because of import request duration

Import request could be quite long for some customers. That's why set timeout is problematic.

Author: Rayn93

src/Client/ClientBuilder.php

@@ -62,7 +62,6 @@ public function build(): ClientInterface
             'base_uri'    => $this->serverUrl,
             'handler'     => $handler,
             'headers'     => ['Accept' => 'application/json'],
-            'timeout'     => 10,
             'http_errors' => false,
         ];