remote_file is deprecated for cookbook files

Chef commit: 82990490
Deprecates remote_file source from the cookbook itself,
uses cookbook_file as the resource instead.

Remote_file still used for retrieving files from an absolute
URI.

recipes/default.rb

@@ -26,7 +26,7 @@ service "rsyslog" do
   action [:enable, :start]
 end
 
-remote_file "/etc/default/rsyslog" do
+cookbook_file "/etc/default/rsyslog" do
   source "rsyslog.default"
   owner "root"
   group "root"