Add /var/apps synced_folder from pp-development
Add /var/apps synced_folder from pp-development

This no longer need to vary between VirtualBox and VMware since NFS was
disabled in alphagov/pp-development@99b3aa3. There should be no harm in
applying this to the other VMs.

alphagov/pp-puppet,alphagov/pp-puppet,alphagov/pp-puppet,alphagov/pp-puppet