Drop the NTP service precheck

We can't check this with timedatectl as it is not aware
of any "non-native" NTP daemon.

This could be a warning-level message but we don't have
such messages from the prechecks.

Closes-Bug: #1922721
Change-Id: I6db37576118cf5cff4ba7a63e179f0ab37467d22

ansible/roles/prechecks/tasks/timesync_checks.yml

@@ -5,16 +5,6 @@
   register: timedatectl_status
   changed_when: false
 
-- name: Fail if no (S)NTP service is running
-  fail:
-    msg: >-
-      timedatectl does not see any (S)NTP service running.
-      Please ensure you have (S)NTP client working.
-  when:
-    - "'service: active' not in timedatectl_status.stdout"
-    # Ubuntu Bionic (18.04)
-    - "'service active: yes' not in timedatectl_status.stdout"
-
 - name: Fail if the clock is not synchronized
   fail:
     msg: >-

releasenotes/notes/bug-1922721-19163cfb491d0035.yaml

+---
+fixes:
+  - |
+    Fixes an issue preventing prechecks from succeeding when "non-native"
+    NTP daemon was used, such as ``ntpd` as opposed to ``systemd-timesyncd``
+    on a Debian/Ubuntu system or to ``chronyd`` on a CentOS/RHEL system.
+    `LP#1922721 <https://launchpad.net/bugs/1922721>`__