Revert "Fix a buildbot failure introduced by r290960."
Revert "Fix a buildbot failure introduced by r290960."

This reverts commit e12566a15173d869283184bb8ee2c9de7869c81a.

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang