That first link is all you need, although there seems to be some < and > missing obviously. Probably an issue with the forum you are viewing that message on as it was originally posted elsewhere.
I'm not sure what you think the connection is with that second link.
The xslt you have to remove is actually the same in the Chicago style as those posted for APA. Just look for
If you say that that didn't work, what exactly did you remove? And what was the result? If you saw something like "invalid source specified" then you most likely wrecked the xslt file. That is, you removed something making the XSLT file