[prosEO CLI] UX: Documentation seems to be missing for subcommand configuration > delete about proseo

[tangobravo62]

Documentation for "configuration delete" command (and other "delete" commands) fixed. Note that for "configuration delete" a login is required:

prosEO> configuration delete --help
(E2802) User not logged in

prosEO> login S5P
Username (empty field cancels): proseo
Password for user proseo: 
(I2821) User proseo logged in

prosEO> configuration delete --help
Remove a configuration from the current mission and processor class
Options:
    -h, --help        Show help information for the current command level (top level commands, when called from the shell command line)
Positional parameters:
    className         The name of the processor class
    configurationVersion  The version of the configuration to delete
Subcommands:
    -- none --