Remove unused V8 integration code in Sky

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

Index: sky/engine/bindings/tests/idls/TestDictionary.idl
diff --git a/sky/engine/bindings/tests/idls/TestDictionary.idl b/sky/engine/bindings/tests/idls/TestDictionary.idl
deleted file mode 100644
index 10eff727905f584c60fd5600d83d7707edb7d598..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/tests/idls/TestDictionary.idl
+++ /dev/null
@@ -1,15 +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.
-[
-] dictionary TestDictionary {
-    boolean booleanMember;
-    long longMember = 1;
-    DOMString stringMember;
-    TestInterface testInterfaceMember;
-    double? doubleOrNullMember = null;
-    DOMString? stringOrNullMember = "default string value";
-    TestInterface? testInterfaceOrNullMember;
-    DOMString[] stringArrayMember;
-    sequence<DOMString> stringSequenceMember;
-};