Use generated key instead of hardcoded

Use mongodb key which generate and upload by Astute

Path: /var/lib/astute/mongodb/mongodb.key
Destination: /etc/mongodb.key

Change-Id: Ib710e26ba3c5a1eb63e1cc1dcc4216da0b213626
Closes-Bug: #1314200

deployment/puppet/mongodb/manifests/server/config.pp

@@ -69,7 +69,7 @@ class mongodb::server::config {
     }
     if $keyfile {
       file { $keyfile:
-        content => template('mongodb/mongodb.key.erb'),
+        content => file('/var/lib/astute/mongodb/mongodb.key'),
         owner   => 'mongodb',
         group   => 'root',
         mode    => '0600',

deployment/puppet/mongodb/templates/mongodb.key.erb

@@ -1 +0,0 @@
-1234567890