fix 🐛: Remove Proxmox credentials comments

This commit removes commented-out variable definitions related to Proxmox credentials. These were identified as unnecessary and potentially confusing, improving code readability and reducing clutter. The removal ensures a cleaner and more focused codebase.

tasks/testing.yml

@@ -116,8 +116,8 @@
     ansible.builtin.include_role: 
       name: ansible-role-debian_common
 
-    vars:
-          # Proxmox credentials
-          ansible_user: "{{ ciuser }}"
+    # vars:
+    #       # Proxmox credentials
+    #       ansible_user: "{{ ciuser }}"