Remove hyperlink to make clear hashtag is platform independant

Author: hugovk

src/content/pages/contacts.mdx

@@ -30,8 +30,7 @@ Follow us on these channels:
 - [EuroPython Telegram](https://t.me/+dEi3nIHzGRw0YjQy)
 - [EuroPython X Account](https://x.com/europython)
 
-Please use the hashtag [#EuroPython](https://fosstodon.org/tags/EuroPython)
-when referring to the conference.
+Please use the hashtag #EuroPython when referring to the conference.
 
 ### Code of Conduct Report