Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/compat_resource/CHANGELOG.md

@@ -1,53 +0,0 @@
-# compat_resource Cookbook CHANGELOG
-
-This file is used to list changes made in each version of the compat_resource cookbook.
-
-## 12.19.0 (2017-04-17)
-
-- Suppress warning already initialized constant
-- Backport yum/apt changes from 12.19
-
-## 12.16.2 (2016-11-09)
-
-- Sync chef-client changes from Chef 12.16.42
-
-## 12.16.1 (2016-10-20)
-
-- add delayed_action helper
-
-## 12.16.0 (2016-10-19)
-
-- Sync chef-client changes from Chef 12.16.14
-
-## 12.14.7 (2016-09-26)
-
-- Update to 12.14.89 Chef
-- Fix autoload by applying fix from #106
-
-## 12.14.6 (2016-09-20)
-
-- Update backported codebase to Chef 12.14.77 which brings in yum_repository updates and why-run enabled by default in custom resources
-
-## 12.14.5 (2016-09-19)
-
-- Prevent spamming messages in Chefspec runs for cookbooks that depend on compat_resource
-
-## 12.14.4 (2016-09-19)
-
-- Fix delayed notifications cloning
-
-## 12.14.3 (2016-09-12)
-
-- Fix subscribes notifications
-
-## 12.14.2 (2016-09-09)
-
-- Improve documentation
-- keep ChefCompat::Resource defined even if we don't load
-
-## 12.14.1 (2016-09-07)
-
-- add yum_repository resource from Chef 12.14
-- Update the minimum chef version in the metadata to 12.1
-- Added maintainers files
-- suppress constant redef warnings when running chefspec