Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/git/libraries/provider_git_client_package.rb

@@ -1,27 +0,0 @@
-class Chef
-  class Provider
-    class GitClient
-      class Package < Chef::Provider::GitClient
-        include Chef::DSL::IncludeRecipe
-
-        provides :git_client, os: 'linux'
-
-        action :install do
-          # FIXME: rhel 5
-          include_recipe 'yum-epel' if node['platform_family'] == 'rhel' && node['platform_version'].to_i == 5
-
-          # Software installation
-          package "#{new_resource.name} :create #{parsed_package_name}" do
-            package_name parsed_package_name
-            version parsed_package_version
-            action new_resource.package_action
-            action :install
-          end
-        end
-
-        action :delete do
-        end
-      end
-    end
-  end
-end