Rebase dependency;Comment out redundant logic

ansible/roles/appliance/tasks/dependencies.yml

@@ -8,6 +8,8 @@
 - name: Download & install static binaries
   ansible.builtin.get_url:
     url: "{{ item.url }}"
+    url_username: "{{ item.username | default(omit) }}"
+    url_password: "{{ item.password | default(omit) }}"
     dest: /usr/local/bin/{{ item.filename }}
     owner: root
     group: root