More dead code.

BUG=none
TEST=none

Change-Id: I2d36cea4a5f61984921306694266e0b69154834b
Reviewed-on: https://chromium-review.googlesource.com/851144
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#527201}

chrome/app/chromium_strings.grd

@@ -477,11 +477,6 @@ Chromium is unable to recover your settings.
         </message>
       </if>
 
-      <!-- Obsolete System info bar -->
-      <message name="IDS_SYSTEM_OBSOLETE_MESSAGE" desc="Message shown when your OS is no longer supported. This message is followed by a 'Learn more' link.">
-         Chromium has stopped updating and no longer supports this version of your operating system.
-      </message>
-
       <!-- Google API keys info bar -->
       <message name="IDS_MISSING_GOOGLE_API_KEYS" desc="Message shown when Google API keys are missing. This message is followed by a 'Learn more' link.">
         Google API keys are missing. Some functionality of Chromium will be disabled.

chrome/app/google_chrome_strings.grd

@@ -487,11 +487,6 @@ Google Chrome is unable to recover your settings.
         </message>
       </if>
 
-      <!-- Obsolete System info bar -->
-      <message name="IDS_SYSTEM_OBSOLETE_MESSAGE" desc="Message shown when your OS is no longer supported. This message is followed by a 'Learn more' link.">
-         Google Chrome has stopped updating and no longer supports this version of your operating system.
-      </message>
-
       <!-- Google API keys info bar -->
       <message name="IDS_MISSING_GOOGLE_API_KEYS" desc="Message shown when Google API keys are missing. This message is followed by a 'Learn more' link.">
         Google API keys are missing. Some functionality of Google Chrome will be disabled.