Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/git/templates/default/git-xinetd.d.erb

@@ -1,10 +0,0 @@
-service git
-{
-        disable         = no
-        socket_type     = stream
-        wait            = no
-        user            = nobody
-        server          = <%= @git_daemon_binary %>
-        server_args     = --base-path=<%= node["git"]["server"]["base_path"] %> <%= node['git']['server']['export_all'] ? '--export-all' : nil %> --syslog --inetd --verbose
-        log_on_failure  += USERID
-}