[do not merge] Remove usage of reregistration and deprecate cli-option

[ahitacat]

Signed-off-by: ahitacat [email protected]

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Complete Description of Additions/Changes:

Working on deprecate --force-reregistration client option. This option will be deprecate in favor of the explicit running of insights-client --unregister and insights-client --register. This work is part of the improvement of the re-registration safeguard [RHIN-500]

Resolves: #rhbz2071082

[clarabez]

LGTM!