Cleanup duplicate task in etcd role (#7598)

* Remove the duplicate task in etcd role

* Remove inessential delegate_to

roles/etcd/tasks/gen_certs_script.yml

@@ -16,19 +16,6 @@
     mode: 0700
   run_once: yes
   when: inventory_hostname == groups['etcd'][0]
-  delegate_to: "{{ groups['etcd'][0] }}"
-
-- name: "Gen_certs | create etcd cert dir (on {{ groups['etcd'][0] }})"
-  file:
-    path: "{{ etcd_cert_dir }}"
-    group: "{{ etcd_cert_group }}"
-    state: directory
-    owner: kube
-    recurse: yes
-    mode: 0700
-  run_once: yes
-  when: inventory_hostname == groups['etcd'][0]
-  delegate_to: "{{ groups['etcd'][0] }}"
 
 - name: Gen_certs | write openssl config
   template:
@@ -46,7 +33,6 @@
     dest: "{{ etcd_script_dir }}/make-ssl-etcd.sh"
     mode: 0700
   run_once: yes
-  delegate_to: "{{ groups['etcd'][0] }}"
   when:
     - gen_certs|default(false)
     - inventory_hostname == groups['etcd'][0]