revert #1678

i got so many errors while testing it on my server
and i think we can have security issue if use this
anyway thank you and sorry about this

web/assets/js/sw.js

@@ -1,39 +0,0 @@
-var self = this;
-
-var filesToCache = [
-    '/'
-];
-
-self.addEventListener('install', function (e) {
-    e.waitUntil(
-        caches.open('3xPanel').then(function (cache) {
-            return cache.addAll(filesToCache);
-        })
-    );
-});
-self.addEventListener('activate', function (event) {
-    event.waitUntil(
-        caches.keys().then(function (cacheNames) {
-            return Promise.all(
-                cacheNames.filter(function (cacheName) {
-                }).map(function (cacheName) {
-                    return caches.delete(cacheName);
-                })
-            );
-        })
-    );
-});
-self.addEventListener('fetch', function (event) {
-    event.respondWith(
-        caches.open('mysite-dynamic').then(function (cache) {
-            return cache.match(event.request).then(function (response) {
-                return response || fetch(event.request).then(function (response) {
-                    cache.put(event.request, response.clone());
-                    return response;
-                });
-            });
-        })
-    );
-});
-
-console.clear();