Consolidate IDL test cases (15%: 34 => 29)

Source/bindings/tests/idls/TestSpecialOperationsOverrideBuiltins.idl

Index: Source/bindings/tests/idls/TestSpecialOperationsOverrideBuiltins.idl
diff --git a/Source/bindings/tests/idls/TestSpecialOperationsOverrideBuiltins.idl b/Source/bindings/tests/idls/TestSpecialOperationsOverrideBuiltins.idl
deleted file mode 100644
index ab4d7a88261afe3b7bce725522407198dbee3311..0000000000000000000000000000000000000000
--- a/Source/bindings/tests/idls/TestSpecialOperationsOverrideBuiltins.idl
+++ /dev/null
@@ -1,10 +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.
-
-[
-    OverrideBuiltins,
-] interface TestSpecialOperationsOverrideBuiltins {
-    getter DOMString (DOMString name);
-    setter DOMString (DOMString name, DOMString value);
-};