Deprecate HOSTED_NOT_ALLOWED auth error

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 5267 matching lines @@
   </message>
   <message name="IDS_LOGIN_ERROR_PASSWORD_CHANGED" desc="Couldn't log in because password specified matched as old one, but not new one (online) - password change has been detected.">
     Your password has changed. Please try again with your new password.
   </message>
   <message name="IDS_LOGIN_ERROR_RESTRICTED" desc="Couldn't log in because account is disabled/deleted or not signed up">
     Your account may have been deleted or disabled. Please sign out.
   </message>
   <message name="IDS_LOGIN_ERROR_AUTHENTICATING_NEW" desc="Couldn't sign in because username or password invalid">
     Sorry, your email or password could not be verified. Please try again.
   </message>
-  <message name="IDS_LOGIN_ERROR_AUTHENTICATING_HOSTED" desc="Couldn't sign in because hosted account is used">
-    Your account does not work on <ph name="PRODUCT_NAME">$1<ex>Google Chrome OS</ex></ph>. Please contact your domain administrator or use a regular Google Account to sign in.
-  </message>
   <message name="IDS_LOGIN_ERROR_AUTHENTICATING_KIOSK" desc="Couldn't pass kiosk lock screen to configure network.">
     Sorry, your password could not be verified. Please try again.
   </message>
   <message name="IDS_LOGIN_ERROR_OFFLINE_FAILED_NETWORK_NOT_CONNECTED" desc="Couldn't sign in because offline sign-in has failed and network is not connected">
     Sorry, your email or password could not be verified. Try connecting to a network first.
   </message>
   <message name="IDS_LOGIN_ERROR_NO_NETWORK_LIBRARY" desc="Couldn't sign in because nework library couldn't be loaded">
     Can't access network library
   </message>
   <message name="IDS_LOGIN_ERROR_KEYBOARD_SWITCH_HINT" desc="A hint text for the login and lock screens about layout switching">
@@ skipping 1017 matching lines @@
   <message name="IDS_LOW_DISK_NOTIFICATION_BUTTON" desc="Button on the low disk notification to open storage management.">
     Manage storage
   </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_NAME" desc="Name of the about: flag for enabling emoji, handwriting and voice input on opt-in IME menu.">
     Emoji, handwriting and voice input on opt-in IME menu
     </message>
   <message name="IDS_FLAGS_ENABLE_EHV_INPUT_DESCRIPTION" desc="Description of the about: flag enabling emoji, handwriting and voice input on opt-in IME menu.">
     Enable access to emoji, handwriting and voice input form opt-in IME menu.
   </message>
 </grit-part>