Remove placeholder video

Author: hasparus

src/app/conf/2025/_videos.ts

@@ -1,10 +1,4 @@
 export const videos: {
   id: string
   title: string
-}[] = [
-  // temporary
-  {
-    id: "fA81OFu9BVY",
-    title: `Top 10 GraphQL Security Checks for Every Developer - Ankita Gupta, Ankush Jain - Akto.io`,
-  },
-]
+}[] = []

src/app/conf/2025/schedule/[id]/session-video.tsx

@@ -26,6 +26,10 @@ export function SessionVideo({ video, className }: SessionVideoProps) {
 }
 
 export function findVideo(event: ScheduleSession, eventTitle: string) {
+  if (videos.length === 0) {
+    return null
+  }
+
   const result = findBestMatch(
     `${eventTitle} ${event.speakers!.map(e => e.name).join(" ")}`,
     videos.map(e => e.title),