Delete dead AppsPromo code

chrome/browser/resources/ntp4/page_list_view.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.
 
 /**
  * @fileoverview PageListView implementation.
  * PageListView manages page list, dot list, switcher buttons and handles apps
  * pages callbacks from backend.
  *
  * Note that you need to have AppLauncherHandler in your WebUI to use this code.
@@ skipping 375 matching lines @@
           assert(this.appsPages.length == origPageCount + 1,
                  'expected new page');
         }
 
         if (app.id == this.highlightAppId)
           highlightApp = app;
         else
           this.appsPages[pageIndex].insertApp(app, false);
       }
 
-      ntp.AppsPage.setPromo(data.showPromo ? data : null);
-
       this.cardSlider.currentCard = prevCurrentCard;
 
       if (highlightApp)
         this.appAdded(highlightApp, true);
 
       logEvent('apps.layout: ' + (Date.now() - startTime));
 
       // Tell the slider about the pages and mark the current page.
       this.updateSliderCards();
       this.cardSlider.currentCardValue.navigationDot.classList.add('selected');
@@ skipping 350 matching lines @@
       if (page.navigationDot)
         page.navigationDot.remove(opt_animate);
       this.cardSlider.removeCard(page);
     },
   };
 
   return {
     PageListView: PageListView
   };
 });