Fix node key issue
Cleanup whitespace
Fix node_key permissions

Change-Id: I94c319a78230a145597680111fcfb2caf95814db
diff --git a/roles/onos-vm-install/templates/onos-setup-vars.yml.j2 b/roles/onos-vm-install/templates/onos-setup-vars.yml.j2
index 136e686..9e82c39 100644
--- a/roles/onos-vm-install/templates/onos-setup-vars.yml.j2
+++ b/roles/onos-vm-install/templates/onos-setup-vars.yml.j2
@@ -1,6 +1,2 @@
 ---
-{% if on_maas %}
-node_private_key: "{{ maas_node_key }}"
-{% else %}
-node_private_key: "~/.ssh/id_rsa"
-{% endif %}
+node_private_key: "{{ ansible_user_dir }}/node_key"