Remove redundant duplicate filter

Signed-off-by: MissTipo <[email protected]>

Author: MissTipo

src/pages/community.astro

@@ -11,9 +11,6 @@ const priorityIds = [
   ];
 const sketches = allSketches
   .filter(sk => priorityIds.includes(String(sk.visualID)))
-  .filter((sk, index, self) =>
-    index === self.findIndex(s => s.visualID === sk.visualID)
-  )
   .slice(0, 8);
 const libraries = await getCollectionInDefaultLocale("libraries");
 const pastEvents = await getCollectionInDefaultLocale("events");