removed surnumerary definition of contiv_etcd_init_image_* (already in download role)

roles/network_plugin/contiv/defaults/main.yml

@@ -15,9 +15,6 @@ contiv_etcd_endpoints: |-
     contiv_etcd{{ loop.index }}=http://{{ hostvars[host]['ip'] | default(hostvars[host].ansible_default_ipv4['address']) }}:{{ contiv_etcd_peer_port }}{% if not loop.last %},{% endif %}
   {%- endfor %}
 
-contiv_etcd_init_image_repo: ferest/etcd-initer
-contiv_etcd_init_image_tag: latest
-
 # Parameters for Contiv api-proxy
 contiv_enable_api_proxy: true
 contiv_api_proxy_port: 10000