Remove axioms in Z3 and CVC4 drivers
Some axioms should have been removed in !875 (merged) but their deletion is commented out.
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
Some axioms should have been removed in !875 (merged) but their deletion is commented out.