Revert [Support] Fix recursive response file expansion guard

This reverts r358452 (git commit c8df4fb9c3865eac52a99602c26bbc070098c3d4)

A dependent commit breaks the Windows buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358460 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed