Revert rL344365: [tests] Readd Python binding tests to check-all
Revert rL344365: [tests] Readd Python binding tests to check-all

Windows buildbots are still not happy

Now that both issues found out during the last iteration have been
fixed, reenable the Python binding tests on buildbots.
........


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@344408 91177308-0d34-0410-b5e6-96231b3b80d8

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