This removes the old `remote_server { "download_binary_on_host": bool }`
field and replaces it with a `upload_binary: bool` on every
`ssh_connection`.
@ConradIrwin it compiles, it connects, but I haven't tested it really
yet
Release Notes:
- N/A
---------
Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>