revert commit breaking VirtIO network adapters for certain versions of Windows

revert commit breaking VirtIO network adapters for certain versions of Windows

As reported in the community forum [0] and reproduced locally this
breaks VirtIO network adapters in (at least) the German ISO of Windows
Server 2022. The fix itself was for

> Issue is not fatal but as result acpi-index/"PCI Label ID" property
> is either not shown in device details page or shows incorrect value.

so revert and tolerate that as a stop-gap, rather than have the
devices not working at all.

[0]: https://forum.proxmox.com/threads/92094/post-605684

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>