Qemu: Revert linter fix

[roosterfish]

This was merged yesterday in 3dec353 (as part of #12754). This PR reverts the linter fix to it's old state.

When trying to start a VM, it fails with the following error:

root@julian01:~# lxc launch ubuntu:jammy v1 --vm -s pf
Creating v1
Starting v1                                 
Error: Failed to setup virtiofsd for config drive: %!w(<nil>)
Try `lxc info --show-log local:v1` for more info

[tomponline]

Grumbles about another bug being introduced with a linter suggested fix