Remove unused string and fix punctuation in IDS_PAGE_INFO_INTERNAL_PAGE

chrome/browser/ui/website_settings/website_settings_ui.cc

Index: chrome/browser/ui/website_settings/website_settings_ui.cc
diff --git a/chrome/browser/ui/website_settings/website_settings_ui.cc b/chrome/browser/ui/website_settings/website_settings_ui.cc
index eb5d6ae97c6318a4338debb9e39c5a9ef708486a..926d87dd1beb43a10a06ef892c6766f8ac4e3883 100644
--- a/chrome/browser/ui/website_settings/website_settings_ui.cc
+++ b/chrome/browser/ui/website_settings/website_settings_ui.cc
@@ -160,8 +160,9 @@ WebsiteSettingsUI::IdentityInfo::GetSecurityDescription() const {
 
   switch (identity_status) {
     case WebsiteSettings::SITE_IDENTITY_STATUS_INTERNAL_PAGE:
-      return CreateSecurityDescription(IDS_WEBSITE_SETTINGS_INTERNAL_PAGE,
-                                       IDS_WEBSITE_SETTINGS_INTERNAL_PAGE);
+      // Internal pages have their own UI implementations which should never
+      // call this function.
+      NOTREACHED();
     case WebsiteSettings::SITE_IDENTITY_STATUS_CERT:
     case WebsiteSettings::SITE_IDENTITY_STATUS_EV_CERT:
     case WebsiteSettings::SITE_IDENTITY_STATUS_CERT_REVOCATION_UNKNOWN: