HTTP API云存储PG 云存储Object删除对象（批量）删除对象（批量） DELETE /v1/storages/object/:bucketId 批量删除指定 Bucket 中的多个对象，单次最多 100 个。 Request Responses200400删除成功，返回被删除对象信息INVALID_PARAM: prefixes is required and must not be empty / prefixes is too many, max is 100 / 或缺少 Authorization 头（message: headers must have required property 'authorization'）