ChromeOS OOBE: More accessibility fixes.

chrome/browser/resources/chromeos/login/oobe_welcome.js

Index: chrome/browser/resources/chromeos/login/oobe_welcome.js
diff --git a/chrome/browser/resources/chromeos/login/oobe_welcome.js b/chrome/browser/resources/chromeos/login/oobe_welcome.js
index adfa836a3d023ec331928b9003adf431d5e86700..68a45a1e8e39edb4d7a01c81e341604e95b6fd9d 100644
--- a/chrome/browser/resources/chromeos/login/oobe_welcome.js
+++ b/chrome/browser/resources/chromeos/login/oobe_welcome.js
@@ -465,14 +465,4 @@ Polymer({
 
     this.screen.onTimezoneSelected_(item.value);
   },
-
-  /**
-    * This function formats message for labels.
-    * @param String label i18n string ID.
-    * @param String parameter i18n string parameter.
-    * @private
-    */
-  formatMessage_: function(label, parameter) {
-    return loadTimeData.getStringF(label, parameter);
-  },
 });