qemuBuildHostNetStr: remove dead code
qemuBuildHostNetStr: remove dead code

This function is never called for VIR_DOMAIN_NET_TYPE_HOSTDEV,
and the dead code comment agrees.

Introduced by commit 1dcbef8a.

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