Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/hostname/Thorfile

@@ -1,41 +0,0 @@
-# -*- ruby -*-
-
-require 'rubygems'
-require 'bundler/setup'
-
-require 'shellwords'
-
-class Cookbook < Thor
-  COOKBOOK_NAME = 'hostname'.freeze
-  COOKBOOK_CATEGORY = 'utilities'.freeze
-
-  include Thor::Actions
-
-  desc :edit, 'Edit cookbook in browser'
-  def edit
-    open "http://community.opscode.com/cookbooks/#{COOKBOOK_NAME}/edit"
-  end
-
-  desc :browse, "Go to cookbook's page on Opscode's community website"
-  def browse
-    open "http://community.opscode.com/cookbooks/#{COOKBOOK_NAME}/"
-  end
-
-  desc :upload, "Upload cookbook to Opscode's community website"
-  def upload
-    run "knife cookbook site share #{COOKBOOK_NAME} #{Shellwords.escape(COOKBOOK_CATEGORY)} -o #{Shellwords.escape(File.dirname(File.dirname(__FILE__)))}"
-  end
-
-  private
-
-  def open(what)
-    run "#{open_cmd} #{Shellwords.escape(what)}"
-  end
-
-  def open_cmd
-    @open_cmd ||= %w[open xdg-open].find do |command|
-      system "which #{command} >/dev/null 2>&1"
-      $CHILD_STATUS.success?
-    end
-  end
-end