Remove hit weight experiment

chrome/browser/resources/predictors/predictors.js

 // Copyright (c) 2012 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.
 
 /**
  * Requests the database from the backend.
  */
 function requestAutocompleteActionPredictorDb() {
   console.debug('Requesting NAP DB');
   chrome.send('requestAutocompleteActionPredictorDb');
@@ skipping 56 matching lines @@
           entry.hit_count;
       row.appendChild(document.createElement('td')).textContent =
           entry.miss_count;
       row.appendChild(document.createElement('td')).textContent =
           entry.confidence;
 
       databaseSection.appendChild(row);
     }
   }
   $('countBanner').textContent = 'Entries: ' + databaseSection.children.length;
-  $('countBanner').textContent += '  Hit Weight: ' + database.hit_weight;
 }
 
 document.addEventListener('DOMContentLoaded',
                           requestAutocompleteActionPredictorDb);