Driver: Remove the majority of -W* options, the driver doesn't generally need to know about these now we don't have to hold clang-cc's hand.
Driver: Remove the majority of -W* options, the driver doesn't
generally need to know about these now we don't have to hold
clang-cc's hand.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@69263 91177308-0d34-0410-b5e6-96231b3b80d8

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