service worker fix

sw.js

@@ -35,25 +35,6 @@ self.addEventListener('install', function(e) {
 });
 
 self.addEventListener('notificationclick', function (event) {
-  event.waitUntil(async function() {
-      const allClients = await clients.matchAll({
-          includeUncontrolled: true
-      });
-
-      var instance = None;
-
-
-      // Let's see if we already have a window open:
-      for (const client of allClients) {
-          client.focus();
-          instance = client;
-          break;
-      }
-
-      // If we didn't find an existing window,
-      // open a new one:
-      if (!instance) {
-          instance = await clients.openWindow(rel_home);
-      }
-  }());
+  event.notification.close();
+  clients.openWindow(rel_home);
 });