qingstor: disable integration tests as test account suspended

QingStor support have disabled the integration test account with this message

尊敬的用户您好：依据监管部门相关内容安全合规要求，QingStor即日起限制对
个人客户提供对象存储服务，您的对象存储服务将被系统置于禁用状态，如需继
续使用QingsStor对象存储服务，您可以通过工单或者拨打400热线申请开通，未
解封期间您的数据将不受影响，感谢您的谅解和支持。

Which google translate renders as

> Dear user: In accordance with the relevant content security
> compliance requirements of the regulatory authorities, QingStor will
> limit the provision of object storage services to individual
> customers from now on. Your object storage service will be disabled
> by the system. If you need to continue to use the QingsStor object
> storage service, you can apply for activation through a work order
> or by calling the 400 hotline. Your data will not be affected during
> the period of unblocking. Thank you for your understanding and
> support.

fstest/test_all/config.yaml

@@ -313,14 +313,15 @@ backends:
    listretries: 5
    tests:
      - backend
- - backend:  "qingstor"
-   remote:   "TestQingStor:"
-   fastlist: false
-   oneonly:  true
-   cleanup:  true
-   ignore:
-     # This test fails because of a broken bucket in the account!
-     - TestIntegration/FsMkdir/FsPutFiles/FromRoot/ListR
+ # Disabled due to account cancellation - no longer available to me
+ # - backend:  "qingstor"
+ #   remote:   "TestQingStor:"
+ #   fastlist: false
+ #   oneonly:  true
+ #   cleanup:  true
+ #   ignore:
+ #     # This test fails because of a broken bucket in the account!
+ #     - TestIntegration/FsMkdir/FsPutFiles/FromRoot/ListR
  - backend:  "azureblob"
    remote:   "TestAzureBlob:"
    fastlist: true