Remove support for Ubuntu Bionic 18.04 hosts

Users running on a Bionic host will now fail in prechecks. Change-Id: Id4bb0000c36d1a32ef30b5af61c324da6068cd51

Remove support for Ubuntu Bionic 18.04 hosts
762f315b · Mark Goddard · b39964e5 · 762f315b
Commit 762f315b authored 4 years ago by Mark Goddard
--- a/ansible/roles/prechecks/vars/main.yml
+++ b/ansible/roles/prechecks/vars/main.yml
@@ -16,5 +16,4 @@ host_os_distributions:
  RHEL:
    - "8"
  Ubuntu:
-    - "bionic"
    - "focal"