fix: modified the ansible docs (#86)

1. remove kubernetes dir in playbooks task
2. remove unattended
3. remove kube-vip dir in templates
4. change adhoc:ping
5. add task ansible:deps

provision/ansible/roles/ubuntu/tasks/main.yml

@@ -15,10 +15,6 @@
   tags:
     - filesystem
 
-- include: unattended-upgrades.yml
-  tags:
-    - unattended-upgrades
-
 - include: user.yml
   tags:
     - user