Hide relationmanager while viewing infolist

class ActivitiesRelationManager extends RelationManager
{
    //...
    public static function canViewForRecord(Model $ownerRecord, string $pageClass): bool
    {
        if ($pageClass === ViewStaffMember::class) {
            return false;
        }
        return parent::canViewForRecord($ownerRecord, $pageClass);
    }
}