More descriptive feedback description in feedbacks filed from the SadTab page

chrome/browser/resources/feedback/js/data.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** @type {string}
  * @const
  */
 var FEEDBACK_LANDING_PAGE =
     'https://support.google.com/chrome/go/feedback_confirmation';
 
 /**
- * Feedback flow defined in feedback_private.idl.
- * @enum {string}
- */
-var FeedbackFlow = {
-  REGULAR: 'regular',  // Flow in a regular user session.
-  LOGIN: 'login',       // Flow on the login screen.
-  SHOW_SRT_PROMPT: 'showSrtPrompt'  // Prompt user to try Software Removal Tool
-};
-
-/**
  * The status of sending the feedback report as defined in feedback_private.idl.
  * @enum {string}
  */
 var ReportStatus = {
   SUCCESS: 'success',
   DELAYED: 'delayed'
 };