Remove Document mode promo page from First Run.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit current_release="1" latest_public_release="0">
   <outputs>
     <output filename="values-am/android_chrome_strings.xml" lang="am" type="android" />
     <output filename="values-ar/android_chrome_strings.xml" lang="ar" type="android" />
     <output filename="values-bg/android_chrome_strings.xml" lang="bg" type="android" />
     <output filename="values-ca/android_chrome_strings.xml" lang="ca" type="android" />
     <output filename="values-cs/android_chrome_strings.xml" lang="cs" type="android" />
     <output filename="values-da/android_chrome_strings.xml" lang="da" type="android" />
     <output filename="values-de/android_chrome_strings.xml" lang="de" type="android" />
@@ skipping 1466 matching lines @@
       </message>
 
       <!-- External Navigation Strings -->
       <message name="IDS_EXTERNAL_APP_LEAVE_INCOGNITO_WARNING" desc="Alert dialog text warning that user that incognito mode does not continue into external apps.">
         Leaving incognito mode if this link is opened in an external application. Continue?
       </message>
       <message name="IDS_EXTERNAL_APP_LEAVE_INCOGNITO_WARNING_TITLE" desc="Title for incognito external intent. [CHAR-LIMIT=24]">
         Warning
       </message>
 
-      <!-- First Run Experience: What's New screens -->
-      <message name="IDS_FRE_NEW_RECENTS_MENU_TITLE" desc="Title for the Recents Menu what's-new-screen">
-        Find your tabs here
-      </message>
-      <message name="IDS_FRE_NEW_RECENTS_MENU_TEXT" desc="Text for the Recents Menu what's-new-screen">
-        Your tabs and apps are now in the same place for easier access.  You can turn this feature off in <ph name="BEGIN_LINK">&lt;link&gt;</ph>Settings<ph name="END_LINK">&lt;/link&gt;</ph>.
-      </message>
-
       <message name="IDS_CAST_NOTIFICATION_STOPPED" desc="AtHome notification text when stopped. [CHAR LIMIT=40]">
         Stopped
       </message>
       <message name="IDS_CAST_NOTIFICATION_FINISHED" desc="AtHome notification text when finished. [CHAR LIMIT=40]">
         Finished
       </message>
       <message name="IDS_CAST_NOTIFICATION_PAUSED" desc="AtHome notification text when paused. [CHAR LIMIT=40]">
         Paused
       </message>
 
@@ skipping 31 matching lines @@
       <message name="IDS_ACCESSIBILITY_PAUSE" desc="Content description for the pause button that pauses playing the media.">
         Pause
       </message>
       <message name="IDS_ACCESSIBILITY_STOP" desc="Content description for the stop button that stops playing the media.">
         Stop
       </message>
 
     </messages>
   </release>
 </grit>