Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkImageView.h

-/*
-* Copyright 2016 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
-
-#ifndef GrVkImageView_DEFINED
-#define GrVkImageView_DEFINED
-
-#include "GrTypes.h"
-
-#include "GrVkResource.h"
-
-#include "vulkan/vulkan.h"
-
-class GrVkImageView : public GrVkResource {
-public:
-    enum Type {
-        kColor_Type,
-        kStencil_Type
-    };
-    
-    static const GrVkImageView* Create(GrVkGpu* gpu, VkImage image, VkFormat format, Type viewType);
-
-    VkImageView imageView() const { return fImageView; }
-
-private:
-    GrVkImageView(VkImageView imageView) : INHERITED(), fImageView(imageView) {}
-
-    GrVkImageView(const GrVkImageView&);
-    GrVkImageView& operator=(const GrVkImageView&);
-
-    void freeGPUData(const GrVkGpu* gpu) const override;
-
-    VkImageView  fImageView;
-
-    typedef GrVkResource INHERITED;
-};
-
-#endif