Do not vendor cookbooks using Berkshelf anymore

Instead, use the Berkshelf support in knife-solo and the
vagrant-berkshelf plugin on Vagrant

cookbooks/nginx/templates/default/default-site.erb

@@ -1,11 +0,0 @@
-server {
-  listen   <%= node['nginx']['port'] -%>;
-  server_name  <%= node['hostname'] %>;
-
-  access_log  <%= node['nginx']['log_dir'] %>/localhost.access.log;
-
-  location / {
-    root   <%= node['nginx']['default_root'] %>;
-    index  index.html index.htm;
-  }
-}