Add vault remove command

[adilsoncarvalho]

The vaults remove command will allow the user to remove the location of a vault to the configuration with a name.

ℹ This command does not make any change to the vault files.

vaults remove [name]

• command: vaults

• subcommand: remove

• parameter: vault name

• the vault name must pass this regex check: /^[A-Za-z0-9-_]+$/

• don't fail if there is no entry with that vault name

• the information is removed from the configuration file

• if the entry removed is the default, leaves the default as empty