qemu: agent: remove redundant check
qemu: agent: remove redundant check

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