I have had to delete the ACR topology from the WFO/QM multiple times. The configuration removal on WFO/QM is relatively easier than the part on the ACR - traverse multiple folders and delete specific files.

In the end, I typed out a quick script (windows) and just ran it on all the ACR servers.

https://gist.github.com/mark05e/bd487029c6ea6c5a1d326b4e9da720a5