fix: remove legacy cleanup unit files

tasks/install_validation_tools.yml

@@ -172,6 +172,14 @@
     - u: "_@save.service"
   changed_when: false
 
+- name: remove legacy cleanup unit files
+  ansible.builtin.file:
+    path: "/usr/local/lib/systemd/system/cleanup_daemon.{{ item }}"
+    state: absent
+  loop:
+    - "service"
+    - "timer"
+
 - name: enable & start validation Webservice
   ansible.builtin.systemd:
     name: "validation_daemon_any.{{ item }}"