HARTFORD, Conn. — As Simone Biles and her coaches determined her routines for the Olympic year, they had a safe option available: Biles could perform the same skills as last season. They knew that formula worked. Biles won every competition she entered, with only rare mistakes. Those routines, comfortable and consistent, helped Biles show she would not be rattled by the same mental block that derailed her at the Tokyo Olympics.