Remove ash::switches::UseImmersiveFullscreenForAllWindows()

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 7821bdef4ef6105fe98d91007b05c0ae0e386237..d9a9aeaeb1f65a8bb7e3922e34d5e40ae42baf94 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6390,12 +6390,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_DOCKED_WINDOWS_DESCRIPTION" desc="Description for the flag to disable docked windows feature.">
         Turns off docking of windows near screen edges, a feature that provides an easier way to interact with panel and other small windows.
       </message>
-      <message name="IDS_FLAGS_IMMERSIVE_FULLSCREEN_FOR_ALL_WINDOWS_NAME" desc="Name for the flag to enable immersive fullscreen for all windows.">
-        Enable immersive fullscreen for non browser windows.
-      </message>
-      <message name="IDS_FLAGS_IMMERSIVE_FULLSCREEN_FOR_ALL_WINDOWS_DESCRIPTION" desc="Description for the flag enable immersive fullscreen for all windows.">
-        Sets non-browser windows (apps, task manager) to use immersive fullscreen when fullscreened via the F4 key.
-      </message>
       <message name="IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_NAME" desc="Name for the flag which allows to minimize a window upon launcher item click under certain conditions.">
         Disallow shelf to minimize-on-click.
       </message>