sy vault recipients remove --help
sy-vault-recipients-remove 
Remove the given recipient. This will re-encrypt all the vaults content for the remaining recipients.The gpg keychain
will not be altered, thus the trust-relationship with the removed recipient is left intact.However, the recipients key
file will be removed from the vault.

USAGE:
    sy vault recipients remove [OPTIONS] <userid>...

FLAGS:
    -h, --help    Prints help information

OPTIONS:
    -f, --partition=<partition>...    Identifies the partition to remove the recipient from. This can be done either
                                      using its name or its secrets directory.If unset, the recipient will be added to
                                      naturally selected vault, see the --select flag.

ARGS:
    <userid>...    The key-id of the public key identifying a recipient in your gpg keychain.