don't mention osx_sdk_dir
don't mention osx_sdk_dir

Co-authored-by: Isuru Fernando <47df6cafd3b4bed4c7bba9d00d0cf0fc680a9921@gmail.com>
conda-forge/conda-forge.github.io,conda-forge/conda-forge.github.io,conda-forge/conda-forge.github.io,conda-forge/conda-forge.github.io