[libcxx-commits] [libcxx] [libcxx] [test] Merge the MinGW static/shared test config files (PR #111759)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

LGTM, thanks for the simplification. I'm not certain why I ended up duplicating it, I guess I didn't know both could work with the same config. I'd swear this was in reaction to a CI failure, but I'm probably mistaken if this patch passes CI.

https://github.com/llvm/llvm-project/pull/111759