Remove unused V8 integration code in Sky

sky/engine/bindings/core/v8/custom/custom.gypi

Index: sky/engine/bindings/core/v8/custom/custom.gypi
diff --git a/sky/engine/bindings/core/v8/custom/custom.gypi b/sky/engine/bindings/core/v8/custom/custom.gypi
deleted file mode 100644
index eda179689050e06b9eca605f1af8e714069edc29..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/core/v8/custom/custom.gypi
+++ /dev/null
@@ -1,45 +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.
-
-{
-    'variables': {
-        'bindings_core_v8_custom_files': [
-            'V8ArrayBufferCustom.cpp',
-            'V8ArrayBufferCustom.h',
-            'V8ArrayBufferViewCustom.cpp',
-            'V8ArrayBufferViewCustom.h',
-            'V8CanvasRenderingContext2DCustom.cpp',
-            'V8CSSStyleDeclarationCustom.cpp',
-            'V8CSSValueCustom.cpp',
-            'V8CustomEventCustom.cpp',
-            'V8DataViewCustom.cpp',
-            'V8DataViewCustom.h',
-            'V8ElementCustom.cpp',
-            'V8ErrorEventCustom.cpp',
-            'V8EventCustom.cpp',
-            'V8EventTargetCustom.cpp',
-            'V8Float32ArrayCustom.h',
-            'V8Float64ArrayCustom.h',
-            'V8HTMLCanvasElementCustom.cpp',
-            'V8HTMLElementCustom.cpp',
-            'V8ImageDataCustom.cpp',
-            'V8InjectedScriptHostCustom.cpp',
-            'V8InjectedScriptManager.cpp',
-            'V8Int16ArrayCustom.h',
-            'V8Int32ArrayCustom.h',
-            'V8Int8ArrayCustom.h',
-            'V8JavaScriptCallFrameCustom.cpp',
-            'V8LocationCustom.cpp',
-            'V8MutationObserverCustom.cpp',
-            'V8NodeCustom.cpp',
-            'V8TypedArrayCustom.h',
-            'V8Uint16ArrayCustom.h',
-            'V8Uint32ArrayCustom.h',
-            'V8Uint8ArrayCustom.h',
-            'V8Uint8ClampedArrayCustom.h',
-            'V8WebGLRenderingContextCustom.cpp',
-            'V8WindowCustom.cpp',
-        ],
-    },
-}