fix: 修复浏览器控制台中的多个JavaScript错误

Coze-Commit-Type: user
Coze-User-ID: 3722323274763196
Coze-Conversation-ID: 9894087

public/static/js/config.js

@@ -159,9 +159,6 @@ function onFieldCheckboxChange(cb) {
     refreshSelectedFieldsOrder(checkedFields);
 }
 
-// 字段自定义名头存储
-let fieldCustomNames = {};
-
 // 刷新已选字段顺序列表
 function refreshSelectedFieldsOrder(selectedFields, customNames = null) {
     const orderGroup = document.getElementById('field-order-section');