Chris, a year is really nothing. Google and all these way back archives make things pretty long-lasting. If it's causing a problem with your server, put a text file that says the new location in it instead of the actual rules.
Yup, I've done that since we moved to the new SARE site. All the rule files are empty! Just a note that tells them where the new ones are. So I guess no one is reading them. They are clearly RDJ scripts that no one has changed.
I'm tempted to put an evil regex in there to get their attention, but that is a little too evil :)
--Chris