Update app.js

front-end/js/app.js

@@ -168,7 +168,6 @@ function flashWithManifest(manifest) {
         esp.open().then((result) => {
             appStatus.textContent = `Flashing ${portsSelect.value}...Opened Port.`;
             let promise = Promise.resolve();
-            flashSpec.forEach(createProgressBars);
             return esp.flashSpecifications(flashSpec)
                 .then(() => esp.close())
                 .then((result) => {
@@ -195,4 +194,4 @@ function start() {
 /**
  * Start Application
  */
-start();
+start();