remove old source list for ansible before updating

roles/base/tasks/ansible_setup.yml

@@ -28,14 +28,20 @@
   # Hinweis: Der 'warn: false' Parameter wurde aufgrund eines Konflikts entfernt.
   # Diese Aufgabe ist entscheidend für die moderne APT-Schlüsselverwaltung.
 
-- name: ansible setup | remove repository - Debian
+- name: ansible setup | remove repository file - Debian
+  file:
+    path: /etc/apt/sources.list.d/ansible.list
+    state: absent
+  when: ansible_distribution == "Debian"
+
+- name: ansible setup | remove repository - Debian / Ubuntu
   tags: ansible,ansible-setup
   apt_repository:
     repo: "deb [signed-by=/usr/share/keyrings/ansible-archive-keyring.gpg] http://ppa.launchpad.net/ansible/ansible/ubuntu {{ equivalents[ansible_distribution_release]['ubuntu'] }} main"
     state: absent
     update_cache: no
     filename:  ansible
-  when: ansible_distribution == "Debian"
+  when: ansible_distribution in ["Debian", "Ubuntu"]
 
 - name: ansible setup | update repository - Debian
   tags: ansible,ansible-setup