app_list: Disable Drive app integration for M39.

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 56b6f351782723f9641ed958ca3c74045c6cca3b..0c65208591d7c02788677e12e2c8c34f8287b7ce 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6427,12 +6427,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
         <message name="IDS_FLAGS_ENABLE_CENTERED_APP_LIST_DESCRIPTION" desc="Description of the flag to center the app launcher and make it wide instead of tall.">
           Positions the App Launcher in the center of the screen with a landscape aspect.
         </message>
-        <message name="IDS_FLAGS_DISABLE_DRIVE_APPS_IN_APP_LIST_NAME" desc="Name of the flag to disable Drive apps in app launcher.">
-          Disable Drive apps in App Launcher.
-        </message>
-        <message name="IDS_FLAGS_DISABLE_DRIVE_APPS_IN_APP_LIST_DESCRIPTION" desc="Description of the flag to disable Drive apps in app launcher.">
-          Do not show Drive apps side by side with Chrome apps in App Launcher.
-        </message>
       </if>
       <if expr="chromeos">
         <message name="IDS_FLAGS_ENABLE_FIRST_RUN_UI_TRANSITIONS_NAME" desc="Name of the flag to enable animated transitions for the first-run tutorial.">