MINOR: config: Add other keywords when dump the anonymized configuration file

MINOR: config: Add other keywords when dump the anonymized configuration file

Add keywords recognized during the dump of the configuration file,
these keywords are followed by sensitive information.

Remove the condition 'localhost' for the second argument of keyword
'server', consider as not essential and can disturb when comparing
it in cli section (there is no exception 'localhost').

No backport needed, except if anonymization mechanism is backported.