Adapt to Coq/Coq#18164
Sorry to bother you, this is to remove some deprecated files. See https://github.com/coq/coq/pull/18164
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
Sorry to bother you, this is to remove some deprecated files. See https://github.com/coq/coq/pull/18164