Revert "Change wrong Paths to prebuilt blobs."

This reverts commit 4c3c2f0f8be02ab0804455b29456c42d228c8f0a.
Revert "More props and blobs"

This reverts commit 65a5f2f63f57a52f9457db586627a9b79d3502cd.
Revert "Cleanup BoardConfig"

This reverts commit fc3568e62b49794c185e06d5b921120062862ef0.