Revert "Drop linux capabilities and rework users/groups"

roles/etcd/tasks/pre_upgrade.yml

@@ -1,4 +1,3 @@
----
 - name: "Pre-upgrade | check for etcd-proxy unit file"
   stat:
     path: /etc/systemd/system/etcd-proxy.service
@@ -50,7 +49,3 @@
     awk -F"[: =]" '{print "{{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses | regex_replace('https','http') }} member update "$1" https:"$7":"$8}' | bash
   run_once: true
   when: 'etcd_member_list.rc == 0 and "http://" in etcd_member_list.stdout'
-
-- name: "Pre-upgrade | share access to etcd certs for its users"
-  shell: chmod g+r {{ etcd_cert_dir }}/*.pem
-  failed_when: false