netbox(role): don't try to deploy removed housekeeping service and timer

https://github.com/netbox-community/netbox/releases/tag/v4.4.0
https://github.com/netbox-community/netbox/issues/18349

roles/netbox/handlers/main.yaml

@@ -14,11 +14,3 @@
   loop:
     - "netbox.service"
     - "netbox-rq.service"
-
-- name: Ensure netbox housekeeping timer is set up and up-to-date
-  ansible.builtin.systemd_service:
-    daemon_reload: true
-    name: "netbox-housekeeping.timer"
-    enabled: true
-    state: restarted
-  become: true

roles/netbox/tasks/main.yaml

@@ -108,17 +108,3 @@
     - "netbox.service"
     - "netbox-rq.service"
   notify: Ensure netbox systemd services are set up and up-to-date
-
-- name: Ensure provided housekeeping systemd service and timer are copied
-  ansible.builtin.copy:
-    remote_src: true
-    src: "/opt/netbox/contrib/{{ item }}"
-    dest: "/etc/systemd/system/{{ item }}"
-    mode: "0644"
-    owner: root
-    group: root
-  become: true
-  loop:
-    - "netbox-housekeeping.service"
-    - "netbox-housekeeping.timer"
-  notify: Ensure netbox housekeeping timer is set up and up-to-date