fix: 删除多余mapper

gongchunyi

昨天 9945c401f1b3618d25f88244e54cf78fbd3b9950

 src/main/java/com/ruoyi/purchase/dto/PaymentLedgerDto.java

@@ -8,6 +8,8 @@
    // 供应商名称
    private String supplierName;

    private Long supplierId;

    // 开始日期
    private String startDate;