update service worker

Author: Concedo

sw.js

@@ -8,9 +8,5 @@ self.addEventListener("install", event => {
 });
 
 self.addEventListener("fetch", function (event) {
-	event.respondWith(
-		fetch(event.request).then(function (response) {
-			return response;
-		})
-	)
+	return;
 })