Consolidate the strings used by the CrOS/desktop user manager screen.

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index a3b10ca1ee1f540805a3e91335b16b6281135a59..bcc78edacae94a5ccfd9e30b4f3537bbc30af805 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -344,9 +344,6 @@ Press any key to continue exploring.
   <message name="IDS_LOGIN_PASSWORD">
     Password
   </message>
-  <message name="IDS_LOGIN_BUTTON">
-    Sign in
-  </message>
   <message name="IDS_DISABLED_ADD_USER_TOOLTIP" desc="Tooltip over disabled Add user button">
     The owner of this device has disabled new users from being added
   </message>
@@ -429,12 +426,6 @@ Press any key to continue exploring.
   <message name="IDS_LOGIN_OFFLINE_ERROR" desc="Error alert message on the offline login screen. Note: should by the same as the one used on the Gaia sign-in page.">
     The username or password you entered is incorrect.
   </message>
-  <message name="IDS_SCREEN_LOCK_ACTIVE_USER">
-    Currently signed in
-  </message>
-  <message name="IDS_SCREEN_LOCK_SIGN_OUT">
-    Sign out
-  </message>
   <message name="IDS_CREATE_ACCOUNT_BUTTON">
     Create a Google Account now
   </message>
@@ -444,9 +435,6 @@ Press any key to continue exploring.
   <message name="IDS_BROWSE_WITHOUT_SIGNING_IN_BUTTON">
     Skip sign-in and browse as Guest
   </message>
-  <message name="IDS_GO_INCOGNITO_BUTTON" desc="Text shown on Chrome OS login screen button that launches guest session. Should be short.">
-    Browse as Guest
-  </message>
   <message name="IDS_CREATE_ACCOUNT_HTML" desc="Text shown on side of Google sign-in UI.">
     If you don't have a Google Account you can <ph name="LINK_START">$1<ex>&gt;a&lt;</ex></ph>create a Google Account<ph name="LINK_END">$2<ex>&gt;/a&lt;</ex></ph> now.
   </message>
@@ -621,23 +609,12 @@ Press any key to continue exploring.
   <message name="IDS_LOCAL_STATE_ERROR_POWERWASH_BUTTON" desc="Button label to restart and powerwash the device.">
     Restart and Powerwash
   </message>
-  <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove supervised user.">
-    All files and local data associated with the supervised user will be permanently
-    deleted once this supervised user is removed. Visited websites and settings
-    for this supervised user may still be visible by the manager at <ph name="MANAGEMENT_URL">$1<ex>www.example.com</ex></ph>.
-  </message>
-  <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING_BUTTON" desc="Text shown on a button that confirms removal of supervised user.">
-    Remove this user
-  </message>
   <message name="IDS_OFFLINE_LOGIN_HTML" desc="Text which suggests enter as an existing user when valid network isn't presented.">
     If you've already registered on this device, you can <ph name="LINK2_START">$1<ex>&gt;a&lt;</ex></ph>sign in as an existing user<ph name="LINK2_END">$2<ex>&gt;/a&lt;</ex></ph>.
   </message>
   <message name="IDS_SHUTDOWN_BUTTON" desc="Text shown on shutdown button on login/locker screen">
     Shut down
   </message>
-  <message name="IDS_ADD_USER_BUTTON" desc="Text shown on an add user button on login/locker screen">
-    Add user
-  </message>
   <message name="IDS_KIOSK_APPS_BUTTON" desc="Text shown on a button that brings up the kiosk apps menu on login screen">
     Apps
   </message>
@@ -3720,18 +3697,6 @@ Battery full
   <message name="IDS_LANGUAGES_MORE" desc="Main language list 'more' link. Expands all possible languages, not only the main ones.">
     More...
   </message>
-  <message name="IDS_LOGIN_POD_EMPTY_PASSWORD_TEXT" desc="Text to display in the password field for user pod when no password has been entered.">
-    Enter password
-  </message>
-  <message name="IDS_LOGIN_POD_PASSWORD_FIELD_ACCESSIBLE_NAME" desc="Text to be spoken when the focus is set to the password field of a user pod on the login screen.">
-    Password for <ph name="USER_EMAIL_ADDRESS">$1<ex>john.doe@example.com</ex></ph>
-  </message>
-  <message name="IDS_LOGIN_POD_MENU_BUTTON_ACCESSIBLE_NAME" desc="Text to be spoken when the focus is set to the menu button of the user pod on the login screen.">
-    Options menu for <ph name="USER_EMAIL_ADDRESS">$1<ex>john.doe@example.com</ex></ph>
-  </message>
-  <message name="IDS_LOGIN_POD_MENU_REMOVE_ITEM_ACCESSIBLE_NAME" desc="Text to be spoken when 'Remove user' item is selected on the pod menu.">
-    Remove this user
-  </message>
   <message name="IDS_LOGIN_POD_OWNER_USER" desc="Login screen user pod menu title for a user who owns the device.">
     <ph name="USER_NAME">$1<ex>Ivan Arbuzov</ex></ph> (owner)
   </message>