Remove llvm-ar librarian path from Swift SDK built with no host toolchain included#240

MaxDesiatov merged 3 commits intoswiftlang:mainswiftlang/swift-sdk-generator:mainfrom

xtremekforever:#233-llvm-ar-workaroundxtremekforever/swift-sdk-generator:#233-llvm-ar-workaroundCopy head branch name to clipboard