Removing outdated certificate for unavailable LeagueAthletics app on iPhone

The app is league athletics. It’s not in my apps so I can’t delete the app. I can view the certificate or cancel… I can’t remove it so I cancel… and a second time. It’s annoying.

[Re-Titled by Moderator]

Original Title: how can i stop error message about outdated certificate on an app that is not available any longer? the app was LeagueAthletics.