Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkMemory.h

-/*
-* Copyright 2015 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
-
-#ifndef GrVkMemory_DEFINED
-#define GrVkMemory_DEFINED
-
-#include "vulkan/vulkan.h"
-
-class GrVkGpu;
-
-namespace GrVkMemory {
-    /**
-    * Allocates vulkan device memory and binds it to the gpu's device for the given object.
-    * Returns true of allocation succeeded.
-    */
-    bool AllocAndBindBufferMemory(const GrVkGpu* gpu,
-                                  VkBuffer buffer,
-                                  const VkMemoryPropertyFlags flags,
-                                  VkDeviceMemory* memory);
-
-    bool AllocAndBindImageMemory(const GrVkGpu* gpu,
-                                 VkImage image,
-                                 const VkMemoryPropertyFlags flags,
-                                 VkDeviceMemory* memory);
-
-    VkPipelineStageFlags LayoutToPipelineStageFlags(const VkImageLayout layout);
-
-    VkAccessFlags LayoutToSrcAccessMask(const VkImageLayout layout);
-}
-
-#endif