keep the ToDo hint from delegations

src/Module/Settings/Uexport.php

@@ -33,6 +33,7 @@ class Uexport extends BaseSettingsModule
 		parent::content();
 		$args = self::getClass(Arguments::class);
 		if ($args->getArgc() == 3) {
+			// @TODO Replace with router-provided arguments
 			$action = $args->get(2);
 			header("Content-type: application/json");
 			header('Content-Disposition: attachment; filename="' . $a->user['nickname'] . '.' . $action . '"');