Remove deprecation warning banner from App Launcher code.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index db3a19d5413d08c00f9ad89e9845b79e53f739eb..9d92281ce74c7f699599b8caf2b9799866a8699d 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -13839,14 +13839,6 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
         <message name="IDS_APP_LIST_SIGNIN_SETTINGS_TEXT" desc="App launcher sign-in settings link text.">
           App Launcher Settings
         </message>
-        <if expr="not chromeos">
-          <message name="IDS_APP_LIST_MESSAGE_LEARN_MORE_TEXT" desc="Link anchor text displayed at the end of a message in the app launcher linking to a site with additional information about the message.">
-            Learn more
-          </message>
-          <message name="IDS_APP_LIST_MESSAGE_LEARN_MORE_LINK" desc="URL for the Learn More link displayed at the end of the app launcher message.">
-            https://support.google.com/chrome/answer/3060053?hl=[GRITLANGCODE]
-          </message>
-        </if>
       </if>
 
       <!-- iOS Chrome to Device strings-->