home: remove GB Compo 2025 announcement

Author: avivace

website/README.md

@@ -66,10 +66,6 @@ We are a non for profit collective of passionate developers and hackers working
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-::: important GB Compo 2025
-The biggest Game Boy coding jam is back! Create Game Boy games and compete for the glory (and great prizes). [Join the Game Boy Competition 2025 now](https://itch.io/jam/gbcompo25).
-:::
-
 # Projects
 
 Here's what we are up to:<br>