sy vault partitions remove --help
sy-vault-partitions-remove 
Removes a partition.Please note that this will not delete any files on disk, but change the vault description file
accordingly.

USAGE:
    sy vault partitions remove <partition-selector>

FLAGS:
    -h, --help    Prints help information

ARGS:
    <partition-selector>    A partition can be selected by the directory used to stored its resources, by its name
                            (which may be ambiguous), or by the index in the vault description file.