feat: remove placeholder value in WebAPI

src/Controllers/WebAPI/NodeController.php

@@ -32,7 +32,6 @@ final class NodeController extends BaseController
             'node_class' => $node->node_class,
             'node_speedlimit' => $node->node_speedlimit,
             'traffic_rate' => $node->traffic_rate,
-            'mu_only' => 0,
             'sort' => $node->sort,
             'server' => $node->server,
             'custom_config' => json_decode($node->custom_config, true, JSON_UNESCAPED_SLASHES),

src/Controllers/WebAPI/UserController.php

@@ -115,8 +115,6 @@ final class UserController extends BaseController
                 $user_raw->passwd = Tools::genSs2022UserPk($user_raw->passwd, $pk_len);
             }
 
-            $user_raw->node_connector = 0;
-
             foreach ($keys_unset as $key) {
                 unset($user_raw->$key);
             }