Remove vestiges of configure buildsystem
Remove vestiges of configure buildsystem

Summary:

Subscribers: mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D50738

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@341146 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang