Remove pre-MD code related to tray/menu user profiles.

ash/resources/ash_resources.grd

Index: ash/resources/ash_resources.grd
diff --git a/ash/resources/ash_resources.grd b/ash/resources/ash_resources.grd
index 4572f5b36aaed6f1b4eee62dec8cf4acdd43a646..0b4142421a354ce5324aa548dab4361a2835189c 100644
--- a/ash/resources/ash_resources.grd
+++ b/ash/resources/ash_resources.grd
@@ -125,10 +125,6 @@
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_NOTIFICATION_DATASAVER" file="cros/network/notification_datasaver.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_NOTIFICATION_LTE" file="cros/network/notification_lte.png" />
 
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_GUEST_ICON" file="cros/status/status_guest_icon.png" />
-
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_ADD_MULTIPROFILE_USER" file="cros/status/multiprofiles_add.png" />
-
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_MORE" file="cros/status/status_more.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_OVERVIEW_MODE" file="cros/status/status_overview_mode.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_SCREENSHARE" file="cros/status/status_screenshare.png" />