Remove sudo upgrade playbook

utils/sudo_upgrade.yml

@@ -1,17 +0,0 @@
-#!/usr/bin/env ansible-playbook
----
-# This is a special playbook to upgrade sudo everywhere after the
-# CVE-2021-3156: Heap-Based Buffer Overflow in Sudo (Baron Samedit)
-# Please always use with --limit myserver.adm.auro.re
-# And list updates with --check
-- hosts: all
-  tasks:
-    - name: Upgrade sudo
-      apt:
-        name: sudo
-        state: latest
-        update_cache: true
-        cache_valid_time: 3600  # one hour
-      register: apt_result
-      retries: 3
-      until: apt_result is succeeded