mildred authored 2 years ago and Éloïs committed 2 years ago

* Remove no longer needed test_revoke_smiths_them_rejoin in duniter-wot

* Remove dead code (MembershipRevokedRecently)

* Remove empty fn prune_revoked_memberships

* Remove RevokedMembershipPrunedOn never used

* Remove RevokedMembership that is always empty

* Remove RevocationPeriod