remove needless tracking(?) fragment from link

Link obtained 404 in CI, probably intermittent, but taking opportunity to trim this junk.

Author: mlinksva

_articles/finding-users.md

@@ -142,7 +142,7 @@ Helping newcomers, sharing resources, and making thoughtful contributions to oth
   <img src="https://avatars.githubusercontent.com/shazow?s=180" class="pquote-avatar" alt="avatar">
   The only reason urllib3 is the most popular third-party Python library today is because it's part of requests.
   <p markdown="1" class="pquote-credit">
-— @shazow, ["How to make your open source project thrive"](https://text.sourcegraph.com/how-to-make-your-open-source-project-thrive-with-andrey-petrov-6463b935c540#.mk31f8fgf)
+— @shazow, ["How to make your open source project thrive"](https://text.sourcegraph.com/how-to-make-your-open-source-project-thrive-with-andrey-petrov-6463b935c540)
   </p>
 </aside>