Remove workaround for preventing search . propagation

* Kubelet v1.25.1 has the fix https://github.com/kubernetes/kubernetes/pull/112157

bare-metal/fedora-coreos/kubernetes/butane/controller.yaml

@@ -124,21 +124,6 @@ systemd:
             $${KUBELET_IMAGE}
         ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
         ExecStartPost=-/usr/bin/podman stop bootstrap
-    - name: fix-resolv-conf-search.service
-      enabled: true
-      contents: |
-        [Unit]
-        Description=Remove search . from /etc/resolv.conf
-        DefaultDependencies=no
-        Requires=systemd-resolved.service
-        After=systemd-resolved.service
-        BindsTo=systemd-resolved.service
-        [Service]
-        Type=oneshot
-        ExecStartPre=/usr/bin/sleep 5
-        ExecStart=/usr/bin/sed -i -e "s/^search .$//" /run/systemd/resolve/resolv.conf
-        [Install]
-        WantedBy=multi-user.target
 storage:
   directories:
     - path: /var/lib/etcd

bare-metal/fedora-coreos/kubernetes/butane/worker.yaml

@@ -81,21 +81,6 @@ systemd:
         PathExists=/etc/kubernetes/kubeconfig
         [Install]
         WantedBy=multi-user.target
-    - name: fix-resolv-conf-search.service
-      enabled: true
-      contents: |
-        [Unit]
-        Description=Remove search . from /etc/resolv.conf
-        DefaultDependencies=no
-        Requires=systemd-resolved.service
-        After=systemd-resolved.service
-        BindsTo=systemd-resolved.service
-        [Service]
-        Type=oneshot
-        ExecStartPre=/usr/bin/sleep 5
-        ExecStart=/usr/bin/sed -i -e "s/^search .$//" /run/systemd/resolve/resolv.conf
-        [Install]
-        WantedBy=multi-user.target
 storage:
   directories:
     - path: /etc/kubernetes