Remove search and nameserver entries from resolvconf base
Remove search and nameserver entries from resolvconf base

These items conflict when they are provided also in head file
Fixes: #456

kubernetes-incubator/kubespray,VincentS/kargo,kubespray/kargo,jcsirot/kubespray,galthaus/setup-kubernetes,Lendico/kargo,galthaus/setup-kubernetes,Abdelsalam-Abbas/kubespray_fork,kubespray/kargo,insequent/kargo,Atoms/kubespray,kubernetes-incubator/kargo,VincentS/kargo,Lendico/kargo,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,rogerwelin/kargo,jcsirot/kubespray,kubernetes-sigs/kubespray,rogerwelin/kargo,Atoms/kubespray,sgm-media/kargo,sgm-media/kargo,ayaz/kubespray,kubernetes-incubator/kubespray,ayaz/kubespray,Atoms/kubespray,hatch-k8s/kargo,kubernetes-incubator/kargo,Atoms/kubespray,insequent/kargo,hatch-k8s/kargo,Abdelsalam-Abbas/kubespray_fork