Use role to copy CNI bin (#5953)

roles/network_plugin/weave/tasks/main.yml

@@ -1,20 +1,4 @@
 ---
-
-- name: Weave | Set cni directory permissions
-  file:
-    path: /opt/cni/bin
-    state: directory
-    owner: kube
-    recurse: true
-    mode: 0755
-
-- name: Weave | Copy cni plugins
-  unarchive:
-    src: "{{ local_release_dir }}/cni-plugins-linux-{{ image_arch }}-{{ cni_version }}.tgz"
-    dest: "/opt/cni/bin"
-    mode: 0755
-    remote_src: yes
-
 - name: Weave | Create manifest
   template:
     src: weave-net.yml.j2