feat(system): 更新租户信息时同步修改用户昵称

- 在更新租户信息时，同步修改对应用户的昵称为租户公司名称
- 移除了未使用的导入和变量

ruoyi-modules/ruoyi-mall/src/main/java/org/dromara/mall/service/impl/TzWithdrawRequestServiceImpl.java

@@ -27,8 +27,6 @@ import org.dromara.mall.mapper.*;
 import org.dromara.mall.service.ITzWithdrawRequestService;
 import org.dromara.system.domain.SysDictData;
 import org.dromara.system.mapper.SysDictDataMapper;
-import org.dromara.system.mapper.SysTenantMapper;
-import org.dromara.system.service.ISysTenantService;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -55,16 +53,7 @@ public class TzWithdrawRequestServiceImpl extends MPJBaseServiceImpl<TzWithdrawR
 
     private final HyPromoterMapper promoterMapper;
 
-    private final TzTenantRecordMapper tententRecordMapper;
-
-    private final SysTenantMapper tenantMapper;
-
-    private final ISysTenantService tenantService;
-
     private final SysDictDataMapper dictDataMapper;
-
-    private final TzBankCardMapper bankCardMapper;
-
     /**
      * 查询提现申请
      *