Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/yum-epel/attributes/epel-testing-debuginfo.rb

@@ -1,24 +0,0 @@
-default['yum']['epel-testing-debuginfo']['repositoryid'] = 'epel-testing-debuginfo'
-
-case node['platform']
-when 'amazon'
-  default['yum']['epel-testing-debuginfo']['description'] = 'Extra Packages for Enterprise Linux 6 - $basearch'
-  default['yum']['epel-testing-debuginfo']['mirrorlist'] = 'http://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=$basearch'
-  default['yum']['epel-testing-debuginfo']['gpgkey'] = 'http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6'
-else
-  case node['platform_version'].to_i
-  when 5
-    default['yum']['epel-testing-debuginfo']['description'] = 'Extra Packages for Enterprise Linux 5 - Testing - $basearch Debug'
-    default['yum']['epel-testing-debuginfo']['mirrorlist'] = 'http://mirrors.fedoraproject.org/mirrorlist?repo=testing-debug-epel5&arch=$basearch'
-    default['yum']['epel-testing-debuginfo']['gpgkey'] = 'http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL'
-  when 6
-    default['yum']['epel-testing-debuginfo']['description'] = 'Extra Packages for Enterprise Linux 6 - Testing - $basearch Debug'
-    default['yum']['epel-testing-debuginfo']['mirrorlist'] = 'https://mirrors.fedoraproject.org/metalink?repo=testing-debug-epel6&arch=$basearch'
-    default['yum']['epel-testing-debuginfo']['gpgkey'] = 'http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6'
-  end
-end
-
-default['yum']['epel-testing-debuginfo']['failovermethod'] = 'priority'
-default['yum']['epel-testing-debuginfo']['gpgcheck'] = true
-default['yum']['epel-testing-debuginfo']['enabled'] = false
-default['yum']['epel-testing-debuginfo']['managed'] = false