Remove unused code and unnecessary else branches

Author: alexandre-daubois

Factory/PsrHttpFactory.php

@@ -195,8 +195,7 @@ public function createResponse(Response $symfonyResponse): ResponseInterface
         }
 
         $protocolVersion = $symfonyResponse->getProtocolVersion();
-        $response = $response->withProtocolVersion($protocolVersion);
 
-        return $response;
+        return $response->withProtocolVersion($protocolVersion);
     }
 }