[WSL] remove mark_configured(filesystem)

packages/ubuntu_wsl_setup/lib/main.dart

@@ -60,5 +60,4 @@ Future<void> main(List<String> args) async {
       });
     }
   });
-  await subiquityClient.markConfigured(['filesystem']);
 }

packages/ubuntu_wsl_setup/lib/main_win.dart

@@ -108,5 +108,4 @@ Future<void> main(List<String> args) async {
       });
     }
   });
-  await subiquityClient.markConfigured(['filesystem']);
 }