“The Catholic Church removed 93 saints from the universal calendar and revoked their feast days in 1969 when Pope Paul VI revised the canon of saints and determined that some of the names had only ever been alive as legends or not enough was known about them to determine their status.
But they weren’t actually de-sainted, just downgraded, said Christopher Bellito, a history professor
"The purpose was to clean up a crowded liturgical calendar,” he said. "They decided to remove particular feast days of those saints whose origins were shrouded in more mystery than manuscripts."
Vatican prepares to elevate Popes John XXIII and John Paul II to sainthood”….