remove dead Meetup link

SethTisue · SethTisue · commit f0bd0d6a07b2 · 2023-07-01T10:12:36.000-04:00
diff --git a/community/index.md b/community/index.md
@@ -123,8 +123,6 @@ already been reported.
 
 Most local Scala user groups are listed on [Meetup](https://meetup.com/).
 
-Group organizers can talk to each other on [Scala User Group Organizers](https://www.meetup.com/Scala-User-Groups/).
-
 ## Conferences
 
 See our [events page](/events/).
