removed redundant fallback

Author: nushea

src/app/components/url-preview/ClientPreview.tsx

@@ -166,7 +166,7 @@ function parseYoutubeLink(url: string): YoutubeLink | null {
   if (url.includes('youtu.be')) {
     const split = path.split('?');
     [videoId] = split;
-    params = split[1]?.split('&') ?? undefined;
+    params = split[1]?.split('&');
   } else {
     params = path.split('?')[1].split('&');
     videoId = params.find((s) => s.startsWith('v='), params)?.split('v=')[1];