Ozone: Remove the caca platform from the tree

ui/ozone/platform/caca/client_native_pixmap_factory_caca.h

Index: ui/ozone/platform/caca/client_native_pixmap_factory_caca.h
diff --git a/ui/ozone/platform/caca/client_native_pixmap_factory_caca.h b/ui/ozone/platform/caca/client_native_pixmap_factory_caca.h
deleted file mode 100644
index 1745e8e74421a9207205060da8fdcdd74bd4ab4d..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/caca/client_native_pixmap_factory_caca.h
+++ /dev/null
@@ -1,17 +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.
-
-#ifndef UI_OZONE_PLATFORM_CACA_CLIENT_NATIVE_PIXMAP_FACTORY_CACA_H_
-#define UI_OZONE_PLATFORM_CACA_CLIENT_NATIVE_PIXMAP_FACTORY_CACA_H_
-
-namespace ui {
-
-class ClientNativePixmapFactory;
-
-// Constructor hook for use in constructor_list.cc
-ClientNativePixmapFactory* CreateClientNativePixmapFactoryCaca();
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_CACA_CLIENT_NATIVE_PIXMAP_FACTORY_CACA_H_