Update to correct pathing from new location.

vagrant/shortstack/Vagrantfile

@@ -16,9 +16,9 @@ Vagrant.configure("2") do |config|
 
   config.vm.provision :ansible do |ansible|
     # point Vagrant at the location of your playbook you want to run
-    ansible.playbook = "playbooks/vagrant.yml"
+    ansible.playbook = "../../playbooks/vagrant.yml"
 
-    ansible.inventory_file = "playbooks/vagrant/inventory.ini"
+    ansible.inventory_file = "../../playbooks/vagrant/inventory.ini"
     ansible.extra_vars = { secure_dir: "secure_example" }
     ansible.verbose = true
   end