feat(tracker): disable HTTP server support

Disabled the HTTP server to reduce resource consumption and potential attack surface. Kept WebSocket support to maintain real-time communication functionalities. This change optimizes the server configuration because HTTP is unnecessary for WebTorrent.

tracker.js

@@ -5,7 +5,7 @@ const HOST = process.env.TRACKER_HOST || "localhost";
 
 const server = new Server({
   udp: false,
-  http: true,
+  http: false,
   ws: true,
   stats: false,
 });