CalendarDeletedResponse accepts 2 arguments, not 3

It accepts a 'body' and (return) 'code' argument, but in the code here 'calendar_url' was erroneously passed in as first argument

src/Facade/CalDavClient.php

@@ -438,7 +438,7 @@ public function deleteCalendar($calendar_url, $etag = null)
 
         return new CalendarDeletedResponse
         (
-            $this->server_url, (string)$http_response->getBody(), $http_response->getStatusCode()
+            (string)$http_response->getBody(), $http_response->getStatusCode()
         );
     }
-}
+}