Nukes the gyp/gypi files in ui

ui/aura_extra/aura_extra.gyp

Index: ui/aura_extra/aura_extra.gyp
diff --git a/ui/aura_extra/aura_extra.gyp b/ui/aura_extra/aura_extra.gyp
deleted file mode 100644
index e739010b3a3996f5980c2b18b60dc7ba91aab8fe..0000000000000000000000000000000000000000
--- a/ui/aura_extra/aura_extra.gyp
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright 2015 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': {
-    'chromium_code': 1,
-  },
-  'targets': [
-    {
-      # GN version: //ui/aura_extra
-      'target_name': 'aura_extra',
-      'type': '<(component)',
-      'dependencies': [
-        '../../base/base.gyp:base',
-        '../../skia/skia.gyp:skia',
-        '../aura/aura.gyp:aura',
-        '../base/ui_base.gyp:ui_base',
-        '../compositor/compositor.gyp:compositor',
-        '../events/events.gyp:events',
-        '../gfx/gfx.gyp:gfx',
-        '../gfx/gfx.gyp:gfx_geometry',
-      ],
-      'defines': [
-        'AURA_EXTRA_IMPLEMENTATION',
-      ],
-      'sources': [
-        'aura_extra_export.h',
-        'image_window_delegate.cc',
-        'image_window_delegate.h',
-      ],
-    },
-  ],
-}