tiny cleanup

src/logic.js

@@ -78,9 +78,10 @@ const get_upcoming_events_from_page = pathOr(null, [
 
 const get_past_events_from_page = pathOr(null, ['data', 'page', 'past_events']);
 
-const to_unique_events = (acc, current) => {
+const to_unique_events = (acc, current) => [
-  return [...acc.filter((event) => event.id !== current.id), current];
+  ...acc.filter((event) => event.id !== current.id),
-};
+  current,
+];
 
 const get_city_name = (event) =>
   pathOr('', ['event_place', 'city', 'contextual_name'], event);