RECAFTOR: updates some apps configs, merges time and locale role into base_system role

roles/human_admin_user/tasks/main.yaml

@@ -24,13 +24,11 @@
     mode: u=rwx,g=r,o-rwx
 
 # WARNING: UNPRIVILEGED USER (not ansible) COMMANDS
-# Since the golden image contains installed zsh, this step may not be necessary
 - name: Install oh my zsh
   remote_user: max
-  become: false
   ansible.builtin.command: /home/max/install_omz.sh
   changed_when: true
-  failed_when: false
+  vars:
 
 - name: Configure oh my zsh, by pushing the config file
   remote_user: ansible