Fix Ansible loop

ansible/roles/firstboot/files/ansible_payload/roles/users/tasks/main.yml

@@ -17,7 +17,7 @@
     state: "{{ item.state }}"
   loop:
   - { regex: '$#PasswordAuthentication', line: 'PasswordAuthentication no', state: present}
-  - { regex: ~, line: 'PasswordAuthentication yes', state: absent}
+  - { regex: '$PasswordAuthentication yes', line: 'PasswordAuthentication yes', state: absent}
 - name: Delete 'ubuntu' user
   ansible.builtin.user:
     name: ubuntu