fix: remove unused async local storage middleware

This middleware was made obsolete by e98b8d1.

Checklist

[ ] I have ensured my pull request is not behind the main or master branch of the original repository.
[ ] I have rebased all commits where necessary so that reviewing this pull request can be done without having to merge it first.
[ ] I have written a commit message that passes commitlint linting.
[ ] I have ensured that my code changes pass linting tests.
[ ] I have ensured that my code changes pass unit tests.
[ ] I have described my pull request and the reasons for code changes along with context if necessary.