Do not use preload response

Summary: Always use the server

Reviewed By: antonk52

Differential Revision: D49952286

fbshipit-source-id: 52d2141d5c082e11dfd991534c8213886f526c6a

desktop/static/service-worker.js

@@ -45,12 +45,6 @@ self.addEventListener('fetch', (event) => {
   if (event.request.mode === 'navigate') {
     event.respondWith((async () => {
       try {
-        // First, try to use the navigation preload response if it's supported.
-        const preloadResponse = await event.preloadResponse;
-        if (preloadResponse) {
-          return preloadResponse;
-        }
-
         // Always try the network first (try flipper server)
         return await fetch(event.request);
       } catch (error) {