Fix yamllint roles error for #2188 commit

roles/network_plugin/weave/tasks/main.yml

@@ -2,12 +2,11 @@
 - import_tasks: seed.yml
   when: weave_mode_seed
 
-
 - name: template weavenet conflist
   template:
-      src: weavenet.conflist.j2
-      dest: /etc/cni/net.d/00-weave.conflist
-      owner: kube
+    src: weavenet.conflist.j2
+    dest: /etc/cni/net.d/00-weave.conflist
+    owner: kube
 
 - name: Weave | Copy cni plugins from hyperkube
   command: "{{ docker_bin_dir }}/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp -r /opt/cni/bin/. /cnibindir/"