Remove hostname and timezone, cloud-init does that

roles/virt-common/tasks/main.yml

@@ -1,14 +1,6 @@
 # vim: ft=yaml.ansible
 # code: language=ansible
 ---
-- name: Set hostname
-  ansible.builtin.hostname:
-    name: "{{ hostname }}"
-
-- name: Set timezone
-  community.general.timezone:
-    name: "{{ timezone }}"
-
 - name: Copy hosts file
   ansible.builtin.template:
     src: hosts.j2