Always copy cert generation scripts to first etcd (#11614)

If we don't, existing installation would not pick up fix to that script,
such as dc33a1971d.

Co-authored-by: Max Gautier <mg@max.gautier.name>

roles/etcd/tasks/gen_certs_script.yml

@@ -35,7 +35,6 @@
     mode: 0700
   run_once: yes
   when:
-    - gen_certs | default(false)
     - inventory_hostname == groups['etcd'][0]
 
 - name: Gen_certs | run cert generation script for etcd and kube control plane nodes