Do not vendor cookbooks using Berkshelf anymore

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

cookbooks/nginx/templates/default/nginx-upstart.conf.erb

@@ -1,39 +0,0 @@
-# nginx
-
-description "nginx http daemon"
-
-start on (local-filesystems and net-device-up IFACE=lo and runlevel [<%= node['nginx']['upstart']['runlevels'] %>])
-stop on runlevel [!<%= node['nginx']['upstart']['runlevels'] %>]
-
-env DAEMON=<%= node['nginx']['binary'] %>
-env PID=<%= @pid_file %>
-env CONFIG=<%= node['nginx']['source']['conf_path'] %>
-
-respawn
-<% if node['nginx']['upstart']['respawn_limit'] -%>
-respawn limit <%= node['nginx']['upstart']['respawn_limit'] %>
-<% end -%>
-
-pre-start script
-  ${DAEMON} -t
-  if [ $? -ne 0 ]; then
-    exit $?
-  fi
-end script
-
-<% unless node['nginx']['upstart']['foreground'] -%>
-expect fork
-<% else -%>
-console output
-<% end -%>
-
-exec ${DAEMON} -c "${CONFIG}"
-
-<% if node.recipe?('nginx::passenger') && !node['nginx']['upstart']['foreground'] -%>
-# classic example of why pidfiles should have gone away
-# with the advent of fork().  we missed that bus a long
-# time ago so hack around it.
-post-stop script
-  start-stop-daemon --stop --pidfile ${PID} --name nginx --exec ${DAEMON} --signal QUIT
-end script
-<% end -%>