Match deletion inputs to the canonical addresses stored by
`register_actor()`. Legacy TCP/UDS pairs and the `uds` alias
otherwise miss their entry and leave it registered.
Cover legacy and tagged declarations as tuples and msgpack-style
lists, checking the returned uid and removal of the final entry.
Review: PR #505 (goodboy)
https://github.com/goodboy/tractor/pull/505#pullrequestreview-5408224830
(this patch was generated in some part by `opencode` using `gpt-6-astra` (`openai`))