feat: lxc cannot use chronyd (#259)

- ensure lxc nodes do not attempt to install chronyd
- ensure chrony is removed

Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/259

hieradata/virtual/lxc.yaml

@@ -1 +1,4 @@
 ---
+profiles::packages::include:
+  chrony:
+    ensure: absent

site/profiles/manifests/base.pp

@@ -28,7 +28,9 @@ class profiles::base (
     include profiles::base::groups
     include profiles::base::root
     include profiles::accounts::sysadmin
+    if $facts['virtual'] != 'lxc' {
       include profiles::ntp::client
+    }
     include profiles::dns::base
     include profiles::pki::vault
     include profiles::ssh::sign