[x/blog] content/godoc-documenting-go-code.article: fix link to deprecated examples
[x/blog] content/godoc-documenting-go-code.article: fix link to deprecated examples

Fixes golang/go#24021

Change-Id: Idfeee853653cb44c4b92dff909dec36843ad6b0e
Reviewed-on: https://go-review.googlesource.com/96201
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
X-Blog-Commit: 50caeec05b4e3f78d8a4c10145fde6bd7b1007f9

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website