meta.json is not removed when the container process exits

### Description

container `Poststop` hook is not triggered when container exists: `meta.json` is not removed when the container process exits.

### Steps to reproduce the issue

1. nerdctl run --name toto alpine
2. nerdctl kill toto
3. `/var/lib/nerdctl//etchosts/default//meta.json` is still present

### Describe the results you received and expected

`/var/lib/nerdctl//etchosts///meta.json` should be removed when container with id `ID` exists

### What version of nerdctl are you using?

latest

### Are you using a variant of nerdctl? (e.g., Rancher Desktop)

None

### Host information

_No response_