Cleanup ix stuff

There is an option for apps called “rollback” i found out, that there is some stuff saved under
/mnt/.ix-apps/
like different versions under
/mnt/.ix-apps/app_configs//versions
My question is: How can i cleanup these things automatically?

> /mnt/.ix-apps/app_configs/tailscale/versions
> ls
> 1.2.10  1.2.11  1.2.12  1.2.13  1.2.14  1.2.2  1.2.3  1.2.5  1.2.6  1.2.7  1.2.8  1.2.9