[ODDJOB-18] Disable 'vagrant' user

We have boxes built for both Vagrant and testing purposes. We don't
need 'vagrant' user when performing tests so this step deletes this
user completely from the VM.

roles/common/tasks/main.yml

@@ -8,6 +8,15 @@
     delay: 3
     timeout: 60
 
+# Disable 'vagrant' user if exists. This operation is needed for boxes
+# designed to be used by Vagrant. We don't need 'vagrant' user because
+# there is a user named 'test' for our needs.
+- name: Disable vagrant user
+  user:
+    name: vagrant
+    state: absent
+    remove: yes
+
 - name: disable apt-cache in tmpfs
   block:
     - lineinfile: