Remove document mode opt-out promo.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 1569 matching lines @@
         Open
       </message>
 
       <!-- Document mode messages -->
       <message name="IDS_CLOSE_ALL_INCOGNITO_NOTIFICATION" desc="Message on the notification that closes all incognito tabs in document mode">
         Close all incognito tabs
       </message>
       <message name="IDS_TABS_AND_APPS_TITLE" desc="The title of a preference which controls whether your tabs are shown within Chrome or in system app switcher.">
         Merge tabs and apps
       </message>
-      <message name="IDS_TABS_AND_APPS_OPT_OUT_TITLE" desc="A title for the promo message shown to users who have document mode enabled to explain the new location for the tabs and provide an option to opt out.">
-        Chrome tabs have moved
-      </message>
-      <message name="IDS_TABS_AND_APPS_OPT_OUT_TEXT" desc="A promo message shown to users who have document mode enabled to explain the new location for the tabs and provide an option to opt out">
-        See your tabs with other recent apps on your phone’s Overview screen. You can control this in <ph name="BEGIN_LINK">&lt;link&gt;</ph>Settings<ph name="END_LINK">&lt;/link&gt;</ph>.
-      </message>
-      <message name="IDS_TABS_AND_APPS_GOT_IT_BUTTON" desc="A button to confirm and dismiss opt out promo">
-        Ok, got it
-      </message>
       <message name="IDS_TABS_AND_APPS_SETTINGS_DESCRIPTION" desc="A message shown on settings screen from which you can enable/disable the feature that combines Chrome tabs with recent applications and shows them together in the system app switcher.">
         See your tabs with other recent apps on your phone’s Overview screen.
       </message>
       <message name="IDS_TABS_AND_APPS_TURN_OFF_TITLE" desc="A message shown as a title of a confirmation dialog to turn off a feature where apps and tabs are located together in recents switcher">
         Separate tabs and apps
       </message>
       <message name="IDS_TABS_AND_APPS_TURN_ON_TITLE" desc="A message shown as a title of a confirmation dialog to turn on a feature where apps and tabs are located together in recents switcher">
         Merge tabs and apps
       </message>
       <message name="IDS_TABS_AND_APPS_OPT_OUT_CONFIRMATION" desc="The confirmation message shown when the user opts out of having apps and tabs together in recents">
@@ skipping 801 matching lines @@
       </message>
       <message name="IDS_USB_CHOOSER_DIALOG_CONNECT_BUTTON_TEXT" desc="The text that is shown on the connect button in the USB chooser dialog.">
         Connect
       </message>
       <message name="IDS_USB_CHOOSER_DIALOG_FOOTNOTE_TEXT" desc="This text is shown at the bottom of the USB chooser dialog with a link to part of its text.">
         Not seeing your device? <ph name="BEGIN_LINK">&lt;link&gt;</ph>Get help<ph name="END_LINK">&lt;/link&gt;</ph>
       </message>
     </messages>
   </release>
 </grit>