Drop spurious multhreading test

Per https://github.com/msgpack/msgpack-python/pull/641#discussion_r2315489310, sharing more than one `Packer` object is not supported.
This commit is contained in:
Charlie Lin 2025-09-11 17:44:53 +00:00
parent e0e9b12877
commit ccfd2547c7
3 changed files with 1 additions and 3 deletions