playbook/ors: delete ors-upgrade cron in ors playbook

playbook/roles/ors-upgrade/tasks/main.yml

 ---
 
-# ORS playbook is installed before deleting ors-upgrade cron to make sure either ors or ors-upgrade is in the cron
+# ors-upgrade playbook is deprecated, use ors playbook instead
 
   - name: Install ors playbook
     shell: ansible-playbook ors.yml
-
-# Delete ors-upgrade.yml cron which is replaced by ors.yml
-
-  - name: Delete ors-upgrade cron
-    cron: name="Launch Upgrader with ansible" state=absent
-
-# Reinstall ORS playbook again since previous task deletes the vifib cron from the same name
-
-  - name: Install ors playbook again
-    shell: ansible-playbook ors.yml

playbook/roles/ors/tasks/main.yml

 ---
-  - name: Check if ors-upgrade playbook is installed
-    shell: 'crontab -l | grep -q ors-upgrade'
-    ignore_errors: yes
-    register: ors_upgrade_cron
 
-  - name: Run ors-upgrade once so that it removes itself
-    shell: ansible-playbook ors-upgrade.yml
-    when: ors_upgrade_cron.rc == 0
+# Delete ors-upgrade.yml cron which is replaced by ors.yml
+
+  - name: Delete ors-upgrade cron
+    cron: name="Launch Upgrader with ansible" state=absent
 
   - name: Install periodic cron
     cron: name="Launch ors playbook every 3 hours" minute="15" hour="*/3" job='cd /opt/upgrader/playbook && ansible-playbook ors.yml 2>> /opt/upgrader/latest_ors.log >> /opt/upgrader/latest_ors.log'