Remove non-MD code for IME tray and tray menu.

ash/resources/ash_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit latest_public_release="0" current_release="1" output_all_resource_defines="false">
   <outputs>
     <output filename="grit/ash_resources.h" type="rc_header" context="default_100_percent">
       <emit emit_type='prepend'></emit>
     </output>
     <output filename="ash_resources_100_percent.pak" type="data_package" context="default_100_percent" />
     <output filename="ash_resources_200_percent.pak" type="data_package" context="default_200_percent" />
   </outputs>
   <release seq="1">
@@ skipping 12 matching lines @@
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_BOTTOM_LEFT" file="common/phantom_window_bottom_left.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_BOTTOM_RIGHT" file="common/phantom_window_bottom_right.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_CENTER" file="common/phantom_window_center.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_LEFT" file="common/phantom_window_left.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_RIGHT" file="common/phantom_window_right.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_TOP" file="common/phantom_window_top.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_TOP_LEFT" file="common/phantom_window_top_left.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_PHANTOM_WINDOW_TOP_RIGHT" file="common/phantom_window_top_right.png" />
 
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK" file="cros/status/status_accessibility_dark.png" />
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_IME" file="cros/status/status_ime.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_LESS" file="cros/status/status_less.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_LOCALE" file="cros/status/status_locale.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_CONTROLLED" file="cros/network/status_captive_portal_access.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_FAILED" file="cros/network/status_network_failed.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_FAILED_CELLULAR" file="cros/network/status_cellular_failed.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_VPN" file="cros/network/statusbar_vpn_dark.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_NETWORK_NOTIFICATION_3G" file="cros/network/notification_3g.png" />
       <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_SCREENSHARE" file="cros/status/status_screenshare.png" />
@@ skipping 14 matching lines @@
       <structure type="chrome_scaled_image" name="IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_LEFT" file="common/window_header_shade_left_inactive.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_RIGHT" file="common/window_header_shade_right_inactive.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_TOP" file="common/window_header_shade_top_inactive.png" />
 
       <structure type="chrome_scaled_image" name="IDR_AVATAR_HOLDER" file="cros/avatar_holder.png" />
       <structure type="chrome_scaled_image" name="IDR_AVATAR_HOLDER_MASK" file="cros/avatar_holder_mask.png" />
 
     </structures>
   </release>
 </grit>