Revert 126700 because it broke clang on chromeos.

ash/ash_strings.grd

Index: ash/ash_strings.grd
===================================================================
--- ash/ash_strings.grd	(revision 126705)
+++ ash/ash_strings.grd	(working copy)
@@ -190,18 +190,6 @@
       <message name="IDS_ASH_STATUS_TRAY_LOCK" desc="The label used for the button in the status tray to lock the screen.">
         Lock
       </message>
-      <message name="IDS_ASH_STATUS_TRAY_NETWORK" desc="The label used in the network dialog header.">
-        Network
-      </message>
-      <message name="IDS_ASH_STATUS_TRAY_NETWORK_SETTINGS" desc="The label used in the settings entry in the network dialog.">
-        Network settings ...
-      </message>
-      <message name="IDS_ASH_STATUS_TRAY_NETWORK_PROXY_SETTINGS" desc="The label used in the proxy settings entry in the network dialog in the login screen.">
-        Change proxy settings ...
-      </message>
-      <message name="IDS_ASH_STATUS_TRAY_AIRPLANE_MODE" desc="The label used in the network dialog to turn on airplane mode.">
-        Airplane mode
-      </message>
       <message name="IDS_ASH_STATUS_TRAY_UPDATE" desc="The label used in the tray popup to notify that the user should restart to get system updates.">
         Restart to update
       </message>