Remove templating for etcd members

Use a etcd-initer init container to generate etcd args, it determines
etcd name by comparing its ip and etcd cluster ips. This way will
make etcd configuration independent to the ansible templating so
that could be easier on adding master nodes.

roles/network_plugin/contiv/tasks/main.yml

@@ -17,12 +17,6 @@
     - "{{ contiv_etcd_conf_dir }}"
     - "{{ contiv_etcd_data_dir }}"
 
-- name: Contiv | Create contiv etcd config env
-  template:
-    src: contiv-etcd.env.j2
-    dest: "{{ contiv_etcd_conf_dir }}/contiv-etcd.env"
-  when: inventory_hostname in groups['kube-master']
-
 - set_fact:
     contiv_config_dir: "{{ contiv_config_dir }}"
     contiv_enable_api_proxy: "{{ contiv_enable_api_proxy }}"