fix 🐛: Remove commented credentials

This commit removes commented-out Proxmox credentials variables from the testing.yml file. This resolves an issue where these variables were present, potentially exposing sensitive information during testing. The removal ensures a cleaner and more secure testing environment.

tasks/testing.yml

@@ -116,9 +116,9 @@
     ansible.builtin.include_role: 
       name: ansible-role-debian_common
 
-    vars:
-          # Proxmox credentials
-          ansible_user: "{{ ciuser }}"
-          ansible_password: "{{ cipassword }}"
+    # vars:
+    #       # Proxmox credentials
+    #       ansible_user: "{{ ciuser }}"
+    #       ansible_password: "{{ cipassword }}"