Remove non-MD code from Bluetooth tray.

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 85f3a8e8065a8a9c83dfec5a556b8753cba2350f..5543d0d80a9f008fd6eb53e106e393ea393c3300 100644
--- a/ash/resources/ash_resources.grd
+++ b/ash/resources/ash_resources.grd
@@ -68,11 +68,6 @@
 
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_ACCESSIBILITY" file="cros/status/status_accessibility_mode.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_BLUETOOTH" file="cros/status/status_bluetooth.png" />
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_BLUETOOTH_DISABLED" file="cros/status/status_bluetooth_disabled.png" />
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_BLUETOOTH_DISABLED_HOVER" file="cros/status/status_bluetooth_disabled_hover.png" />
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_BLUETOOTH_ENABLED" file="cros/status/status_bluetooth_enabled.png" />
-      <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_BLUETOOTH_ENABLED_HOVER" file="cros/status/status_bluetooth_enabled_hover.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_CAST" file="cros/status/status_cast.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_CAST_DEVICE_ICON" file="cros/status/status_cast_device_icon.png" />
       <structure type="chrome_scaled_image" name="IDR_AURA_UBER_TRAY_CAST_ENABLED" file="cros/status/status_cast_enabled.png" />