@Override
    public PageService<RuleQueryCondition, RuleVO> pageService() {
        return ruleService;
    }
delete rules.

@param batchNamespaceCommonDTO batchNamespaceCommonDTO.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/RuleController.java