Remove additional nitrous files (#1791)

.dockerignore

@@ -36,5 +36,3 @@ deployment/cookbooks
 manifest.yml
 config/unicorn.rb
 db/schema.rb
-nitrous-post-create.sh
-nitrous.json

nitrous.json

@@ -1,9 +0,0 @@
-{
-  "template": "rails",
-  "ports": [3000],
-  "name": "Huginn",
-  "description": "Build agents that monitor and act on your behalf. Your agents are standing by!",
-  "scripts": {
-    "Start Huginn": "cd ~/code/huginn && bundle exec foreman start"
-  }
-}