feat(codegen): 删除不再使用的 GenConfig、TableEntity、SqlDto、PayErrorCodes 等类文件

- 移除冗余的代码文件以简化项目结构
- 清理旧的工具类和实体类，提升代码可维护性

(cherry picked from commit f6eb09a169a2a1bd52501b543018aef15f74e21e)

pigx-visual/pigx-codegen/src/main/java/com/pig4cloud/pigx/codegen/entity/GenConfig.java

@@ -1,69 +0,0 @@
-/*
- *    Copyright (c) 2018-2026, lengleng All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * Neither the name of the pig4cloud.com developer nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * Author: lengleng (wangiegie@gmail.com)
- */
-
-package com.pig4cloud.pigx.codegen.entity;
-
-import lombok.Data;
-
-/**
- * @author lengleng
- * @date 2018/8/2 生成配置
- */
-@Data
-public class GenConfig {
-
-	/**
-	 * 数据源name
-	 */
-	private String dsName;
-
-	/**
-	 * 包名
-	 */
-	private String packageName;
-
-	/**
-	 * 作者
-	 */
-	private String author;
-
-	/**
-	 * 模块名称
-	 */
-	private String moduleName;
-
-	/**
-	 * 表前缀
-	 */
-	private String tablePrefix;
-
-	/**
-	 * 表名称
-	 */
-	private String tableName;
-
-	/**
-	 * 表备注
-	 */
-	private String comments;
-
-	/**
-	 * 代码风格 0 - avue 1 - element 2 - uview
-	 */
-	private String style;
-
-}

pigx-visual/pigx-codegen/src/main/java/com/pig4cloud/pigx/codegen/entity/TableEntity.java

@@ -1,66 +0,0 @@
-/*
- *    Copyright (c) 2018-2026, lengleng All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * Neither the name of the pig4cloud.com developer nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * Author: lengleng (wangiegie@gmail.com)
- */
-
-package com.pig4cloud.pigx.codegen.entity;
-
-import lombok.Data;
-
-import java.util.List;
-
-/**
- * @author lengleng
- * @date 2018/07/29 表属性： https://blog.csdn.net/lkforce/article/details/79557482
- */
-@Data
-public class TableEntity {
-
-	/**
-	 * 名称
-	 */
-	private String tableName;
-
-	/**
-	 * 备注
-	 */
-	private String comments;
-
-	/**
-	 * 主键
-	 */
-	private ColumnEntity pk;
-
-	/**
-	 * 列名
-	 */
-	private List<ColumnEntity> columns;
-
-	/**
-	 * 驼峰类型
-	 */
-	private String caseClassName;
-
-	/**
-	 * 普通类型
-	 */
-	private String lowerClassName;
-
-	/**
-	 * 数据库类型 （用于根据数据库个性化）
-	 */
-	private String dbType;
-
-}

pigx-visual/pigx-codegen/src/main/java/com/pig4cloud/pigx/codegen/util/vo/SqlDto.java

@@ -1,22 +0,0 @@
-package com.pig4cloud.pigx.codegen.util.vo;
-
-import lombok.Data;
-
-/**
- * @author lengleng
- * @date 2022/5/2
- */
-@Data
-public class SqlDto {
-
-	/**
-	 * 数据源ID
-	 */
-	private String dsName;
-
-	/**
-	 * sql脚本
-	 */
-	private String sql;
-
-}