Remove the compile and runtime flags for the JavaScript i18n API from Blink

Source/bindings/v8/V8WindowShell.cpp

Index: Source/bindings/v8/V8WindowShell.cpp
diff --git a/Source/bindings/v8/V8WindowShell.cpp b/Source/bindings/v8/V8WindowShell.cpp
index 998effbe82a8aa9bf986267202916eef9af6b173..d31a1671f1f0bfca7bc809399b5dfc5e1d9777ee 100644
--- a/Source/bindings/v8/V8WindowShell.cpp
+++ b/Source/bindings/v8/V8WindowShell.cpp
@@ -271,9 +271,8 @@ void V8WindowShell::createContext()
     // Used to avoid sleep calls in unload handlers.
     ScriptController::registerExtensionIfNeeded(DateExtension::get());
 
-    // Enables experimental i18n API in V8.
-    if (RuntimeEnabledFeatures::javaScriptI18NAPIEnabled())
-        ScriptController::registerExtensionIfNeeded(v8_i18n::Extension::get());
+    // Enable i18n API in V8.
+    ScriptController::registerExtensionIfNeeded(v8_i18n::Extension::get());
 
     // Dynamically tell v8 about our extensions now.
     const V8Extensions& extensions = ScriptController::registeredExtensions();