Remove unused V8 integration code in Sky

sky/engine/bindings/tests/idls/TestInterfaceConstructor4.idl

Index: sky/engine/bindings/tests/idls/TestInterfaceConstructor4.idl
diff --git a/sky/engine/bindings/tests/idls/TestInterfaceConstructor4.idl b/sky/engine/bindings/tests/idls/TestInterfaceConstructor4.idl
deleted file mode 100644
index 246f5516054fe27d6b4aa5c8646bd614b3ff533a..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/tests/idls/TestInterfaceConstructor4.idl
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Test for overload resolution for the string-like ScalarValueString
-// argument.
-[
-    Constructor(TestInterfaceConstructor4 testInterface4Arg),
-    Constructor(ScalarValueString scalarValueStringArg),
-] interface TestInterfaceConstructor4 {
-};