Edit event description.

Author: insectengine

_data/events.yaml

@@ -23,7 +23,7 @@ upcomingevents:
   link: https://2023.javazone.no/
   date: "September 5-7, 2023"
   location: Oslo, Norway
-  description: Picture of JavaZone 2023 - The biggest community-driven Java conference.
+  description: The biggest community-driven Java conference.
   thumbnail: javazone_logo.png