Remove the ENABLE_JAVASCRIPT_I18N_API compile time flag.

Source/bindings/v8/RuntimeEnabledFeatures.h

Index: Source/bindings/v8/RuntimeEnabledFeatures.h
diff --git a/Source/bindings/v8/RuntimeEnabledFeatures.h b/Source/bindings/v8/RuntimeEnabledFeatures.h
index 8fa100f2659a04328ad9ededcf786cf1d7c65495..e1b7cb1fba59816a805c91485869aaf234a08f9e 100644
--- a/Source/bindings/v8/RuntimeEnabledFeatures.h
+++ b/Source/bindings/v8/RuntimeEnabledFeatures.h
@@ -159,11 +159,6 @@ public:
     static bool fileSystemEnabled();
     static void setFileSystemEnabled(bool isEnabled) { isFileSystemEnabled = isEnabled; }
 
-#if ENABLE(JAVASCRIPT_I18N_API)
-    static bool javaScriptI18NAPIEnabled();
-    static void setJavaScriptI18NAPIEnabled(bool isEnabled) { isJavaScriptI18NAPIEnabled = isEnabled; }
-#endif
-
 #if ENABLE(MEDIA_STREAM)
     static bool mediaStreamEnabled() { return isMediaStreamEnabled; }
     static void setMediaStreamEnabled(bool isEnabled) { isMediaStreamEnabled = isEnabled; }
@@ -270,10 +265,6 @@ private:
     static bool isScriptedSpeechEnabled;
     static bool isFileSystemEnabled;
 
-#if ENABLE(JAVASCRIPT_I18N_API)
-    static bool isJavaScriptI18NAPIEnabled;
-#endif
-
 #if ENABLE(MEDIA_STREAM)
     static bool isMediaStreamEnabled;
     static bool isPeerConnectionEnabled;