Remove unreleased web app frame code from ChromeOS

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 4b815f8e1d06f1b5bcb6dd4a5b89237642599d4e..05be0ec119d01474147ae3a7328aee4c5d9a52b0 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6712,14 +6712,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_EXTENSION_ACTION_REDESIGN_DESCRIPTION" desc="Description for the flag to enable the extension toolbar redesign">
         Enables the (in development) new extension toolbar toolbar design.
       </message>
-      <if expr="use_ash">
-        <message name="IDS_FLAGS_WEB_APP_FRAME_NAME" desc="Name of the flag that enables the web app style frame for hosted apps.">
-          Enables the web app style frame for hosted apps
-        </message>
-      </if>
-      <message name="IDS_FLAGS_WEB_APP_FRAME_DESCRIPTION" desc="Description of the flag that enables the web app style frame for hosted apps.">
-        Enables the web app style frame for hosted apps, including bookmark apps. This is currently only available for Ash.
-      </message>
       <message name="IDS_FLAGS_TAB_AUDIO_MUTING_NAME" desc="Name of the flag that enables the tab audio muting UI experiment in chrome://extensions.">
         Tab audio muting UI control
       </message>