Fix virtualbox tools install (#9)

Ubuntu 22.04 has the tools available and does not need to install from
ISO. This was hanging, though no output seemed to indicate why. So we're
avoiding the ISO altogether and going with the Ubuntu packages

ansible/roles/virtualbox/vars/Ubuntu_22.04.yml

@@ -4,6 +4,5 @@ virtualbox_packages:
   - tar
   - build-essential
 virtualbox_services: []
-virtualbox_from_iso: true
-virtualbox_iso_location: /home/vagrant/VBoxGuestAdditions.iso
+virtualbox_from_iso: false
 virtualbox_remove_packages: []