qemu: remove leftover virResetLastError
qemu: remove leftover virResetLastError

As of commit 5d29ca0:
qemu: switch PCI address set from hash table to an array

There is no error to be reset.

nertpinx/libvirt,zippy2/libvirt,rlaager/libvirt,taget/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,crobinso/libvirt,shugaoye/libvirt,datto/libvirt,jardasgit/libvirt,crobinso/libvirt,elmarco/libvirt,agx/libvirt,olafhering/libvirt,elmarco/libvirt,crobinso/libvirt,agx/libvirt,shugaoye/libvirt,andreabolognani/libvirt,nertpinx/libvirt,eskultety/libvirt,datto/libvirt,libvirt/libvirt,zippy2/libvirt,eskultety/libvirt,zippy2/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,elmarco/libvirt,olafhering/libvirt,libvirt/libvirt,olafhering/libvirt,rlaager/libvirt,datto/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,eskultety/libvirt,datto/libvirt,fabianfreyer/libvirt,datto/libvirt,agx/libvirt,elmarco/libvirt,eskultety/libvirt,jfehlig/libvirt,jfehlig/libvirt,taget/libvirt,andreabolognani/libvirt,olafhering/libvirt,taget/libvirt,VenkatDatta/libvirt,libvirt/libvirt,eskultety/libvirt,shugaoye/libvirt,andreabolognani/libvirt,jardasgit/libvirt,libvirt/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,rlaager/libvirt,nertpinx/libvirt,nertpinx/libvirt,taget/libvirt,rlaager/libvirt,elmarco/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,agx/libvirt,agx/libvirt,zippy2/libvirt,jardasgit/libvirt,rlaager/libvirt,nertpinx/libvirt,crobinso/libvirt,taget/libvirt,andreabolognani/libvirt