Translate: Remove the legacy pref 'translate_language_blacklist'

chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc

Index: chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc
diff --git a/chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc b/chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc
index 93b8160da741e48c9b176801f1f6fe793166e7b0..ccf799c23b10027813a1d650626828f520b43cb7 100644
--- a/chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc
+++ b/chrome/browser/ui/webui/translate_internals/translate_internals_handler.cc
@@ -145,11 +145,6 @@ void TranslateInternalsHandler::OnRemovePrefItem(const base::ListValue* args) {
     if (!args->GetString(1, &language))
       return;
     translate_prefs->UnblockLanguage(language);
-  } else if (pref_name == "language_blacklist") {
-    std::string language;
-    if (!args->GetString(1, &language))
-      return;
-    translate_prefs->RemoveLanguageFromLegacyBlacklist(language);
   } else if (pref_name == "site_blacklist") {
     std::string site;
     if (!args->GetString(1, &site))