repo: Move ansible setup to root dir

ansible/roles/system/tasks/main.yaml

@@ -1,38 +0,0 @@
----
-- name: Ensure aptitude installed
-  ansible.builtin.apt:
-    name: "aptitude"
-    state: present
-  tags:
-    - apt
-  become: true
-
-- name: Ensure OS upgraded
-  ansible.builtin.apt:
-    upgrade: dist
-  tags:
-    - apt
-    - update
-    - os
-  become: true
-
-- name: Check if reboot is necessary
-  register: reboot_required_file
-  ansible.builtin.stat:
-    path: /var/run/reboot-required
-    get_checksum: false
-  tags:
-    - os
-    - reboot
-  notify: Reboot host
-
-- name: All system packages updated
-  ansible.builtin.apt:
-    name: "*"
-    state: latest # noqa package-latest
-  tags:
-    - apt
-    - update
-    - packages
-  become: true
-