[Bug] Pop retry topic was not deleted when topic was removed

[HScarb]

Before Creating the Bug Report

• I found a bug, not just asking a question, which should be created in GitHub Discussions.

• I have searched the GitHub Issues and GitHub Discussions of this repository and believe that this is not a duplicate.

• I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ.

Runtime platform environment

Windows 10

RocketMQ version

branch: develop

JDK Version

JDK8

Describe the Bug

Messages retry in pop mode will create a pop retry topic for this topic and consumer combination.
When the original topic was removed, the pop retry topic of the original topic wasn't deleted.

Steps to Reproduce

1. create a topic
2. produce some messages on this topic
3. consume this topic using pop consumer, but not ack, wait for messages to revive
4. pop retry topic will be created
5. delete the original topic

What Did You Expect to See?

All pop retry topics of this topic will be deleted.

What Did You See Instead?

Pop retry topics aren't deleted.

Additional Context

No response

[lizhimins]

There is indeed a problem at present