refactor ansible code in to ansible-2.0 folder, and created space for ansible-2.10

ansible-2.0/roles/certbot/tasks/uninstall.yml

@@ -0,0 +1,31 @@
+---
+# uninstall certbot
+
+- name: stop nginx before removing it
+  service:
+    name: nginx
+    state: stopped
+
+- name: uninstall certbot on ubuntu 16.04
+  apt:
+    state: absent
+    package: "{{ item }}"
+    update_cache: yes
+    cache_valid_time: 3600
+  with_items:
+    - "letsencrypt"
+    - "nginx"
+  when: ansible_os_family == "Debian"
+
+- name: remove webroot /var/www/xai-corp.net
+  file:
+    state: absent
+    path: /var/www/xai-corp.net
+
+- name: remove cron job for renewing certs
+  cron:
+    name: renew let's encrypt certificates
+    state: absent
+    user: root
+    day: "*/2"
+    job: "letsencrypt renew "