Remove PerBrowser launcher, reland step 1 of 2

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 ab09e5a7ed712de85977c9f64878c93401628b9d..f7a3caad413a8cae7096177d91bbec89c345e682 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -5971,12 +5971,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ASH_AUTO_MAXIMIZING_DESCRIPTION" desc="Description for the option to disable the auto window maximizing functionality.">
         Disable automatic window maximization for browser / app windows if they are started the first time.
       </message>
-      <message name="IDS_FLAGS_ASH_DISABLE_PER_APP_LAUNCHER_NAME" desc="Name for the option to enable/disable the per application sorting launcher functionality.">
-        Disable per application sorting in the launcher.
-      </message>
-      <message name="IDS_FLAGS_ASH_DISABLE_PER_APP_LAUNCHER_DESCRIPTION" desc="Description for the option to enable/disable the per application sorting launcher functionality.">
-        Disable the per application sorting mode of the launcher.
-      </message>
       <message name="IDS_FLAGS_DISABLE_GESTURE_REQUIREMENT_FOR_MEDIA_PLAYBACK_NAME" desc="Title for the flag to disable gesture requiment for media playback">
         Disable gesture requirement for media playback.
       </message>