Bruno Cardoso Lopes b7eb8db023 Revert "[VFS] Add 'overlay-relative' field to YAML files" and "[VFS] Fix call to getVFSFromYAML in unittests"
This reverts commit r261552 and r261556 because of failing unittests on
windows:

Failing Tests (4):
    Clang-Unit :: Basic/BasicTests.exe/VFSFromYAMLTest.CaseInsensitive
    Clang-Unit :: Basic/BasicTests.exe/VFSFromYAMLTest.DirectoryIteration
    Clang-Unit :: Basic/BasicTests.exe/VFSFromYAMLTest.MappedFiles
    Clang-Unit :: Basic/BasicTests.exe/VFSFromYAMLTest.UseExternalName

llvm-svn: 261613
2016-02-23 07:06:12 +00:00
..
2015-10-20 13:23:58 +00:00