remove duplicate task

roles/docker/tasks/configure.yml

@@ -7,15 +7,6 @@
   command: /etc/network/if-up.d/create_cbr
   when: kube_network_plugin is defined and kube_network_plugin == "calico"
 
-- name: Configure docker to use cbr0 bridge
-  lineinfile:
-    dest=/etc/default/docker
-    regexp='.*DOCKER_OPTS=.*'
-    line='DOCKER_OPTS="--bridge=cbr0 --iptables=false --ip-masq=false"'
-  notify:
-    - restart docker
-  when: kube_network_plugin is defined and kube_network_plugin == "calico"
-
 - name: enable docker
   service:
     name: docker