qemu: Remove /dev mount info properly
qemu: Remove /dev mount info properly

Just so it doesn't bite us in the future, even though it's unlikely.

And fix the comment above it as well.  Commit e08ee7cd3405 took the
info from the function it's calling, but that was lie itself in the
first place.

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

VenkatDatta/libvirt,jardasgit/libvirt,libvirt/libvirt,libvirt/libvirt,datto/libvirt,jfehlig/libvirt,olafhering/libvirt,zippy2/libvirt,zippy2/libvirt,jfehlig/libvirt,eskultety/libvirt,andreabolognani/libvirt,olafhering/libvirt,VenkatDatta/libvirt,datto/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,crobinso/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,crobinso/libvirt,olafhering/libvirt,libvirt/libvirt,taget/libvirt,jardasgit/libvirt,datto/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,taget/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,jfehlig/libvirt,taget/libvirt,fabianfreyer/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zippy2/libvirt,datto/libvirt,nertpinx/libvirt,datto/libvirt,fabianfreyer/libvirt,taget/libvirt,nertpinx/libvirt,nertpinx/libvirt,eskultety/libvirt,crobinso/libvirt,libvirt/libvirt,eskultety/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,VenkatDatta/libvirt,olafhering/libvirt,andreabolognani/libvirt,jardasgit/libvirt,eskultety/libvirt,jardasgit/libvirt,taget/libvirt,jfehlig/libvirt