Cleanup old OS support

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible/+/886517
Change-Id: I45c4126b30ddf1e552808667937692af1764c491

meta/main.yml

@@ -18,17 +18,17 @@ galaxy_info:
   description: Deployment of LXC hosts for use in Rackspace Private Cloud
   company: Rackspace
   license: Apache2
-  min_ansible_version: 2.4
+  min_ansible_version: 2.9
   platforms:
     - name: Debian
       versions:
         - bullseye
     - name: Ubuntu
       versions:
-        - focal
+        - jammy
     - name: EL
       versions:
-        - 8
+        - 9
   categories:
     - cloud
     - lxc

vars/debian.yml

@@ -32,9 +32,7 @@ _lxc_cache_map:
 _lxc_cache_prep_template: "prep-scripts/debian_prep.sh.j2"
 
 _lxc_cache_distro_libpython:
-  buster: libpython3.7
   bullseye: libpython3.9
-  focal: libpython3.8
   jammy: libpython3.10
 
 # This list should contain a minimum set of packages. Add extra packages via roles that require them.