Remove timezone changes to focus branch on just ubuntu

inventory/group_vars/all.yml

@@ -1,10 +1,6 @@
 ---
 k3s_version: v1.17.5+k3s1
-ansible_user: pi
+ansible_user: debian
 systemd_dir: /etc/systemd/system
 master_ip: "{{ hostvars[groups['master'][0]]['ansible_host'] | default(groups['master'][0]) }}"
 extra_server_args: ""
-
-# Uncomment (and modify if necessary) the following to set the time zone set for
-# all members of the cluster.
-timezone: US/Pacific

roles/prereq/tasks/main.yml

@@ -50,9 +50,3 @@
     path: /etc/sudoers
     validate: 'visudo -cf %s'
   when: ansible_distribution in ['CentOS', 'Red Hat Enterprise Linux']
-
-- name: "set timezone to {{ timezone }}"
-  timezone:
-    name: "{{ timezone }}"
-  notify: restart cron
-  when: timezone is defined