This reverts commit d449c600767284486615f3b79601ced15a00af61. Breaks macOS builds with this: llvm/lib/Support/Compression.cpp:24:10: fatal error: 'zstd.h' file not found
This reverts commit d449c600767284486615f3b79601ced15a00af61. Breaks macOS builds with this: llvm/lib/Support/Compression.cpp:24:10: fatal error: 'zstd.h' file not found