[libcxx-commits] [libcxxabi] [runtimes] Remove explicit -isysroot from the testing configurations on macOS (PR #66265)

[Louis Dionne via libcxx-commits]

ldionne wrote:

@petrhosek Please take a look -- this is passing CI and I believe this should support your use case. And it's definitely the way these configuration files should have been set up from the start, I guess I just didn't think of doing it that way when I hit the sysroot issue back in the days.

https://github.com/llvm/llvm-project/pull/66265