New review comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/pull/25250#discussion_r511622866

Comment:
Not a fan of this being part of the run script.
```
#!/bin/sh
[ -r ./conf ] && . ./conf
exec paperouted ${OPTS}
```

should be enough, let the service fail and don't add logic to the run script that might change.