Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkPipeline.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 GrVkPipeline_DEFINED
-#define GrVkPipeline_DEFINED
-
-#include "GrTypes.h"
-
-#include "GrVkResource.h"
-
-#include "vulkan/vulkan.h"
-
-class GrNonInstancedVertices;
-class GrPipeline;
-class GrPrimitiveProcessor;
-class GrVkGpu;
-class GrVkRenderPass;
-
-class GrVkPipeline : public GrVkResource {
-public:
-    static GrVkPipeline* Create(GrVkGpu* gpu, 
-                                const GrPipeline& pipeline,
-                                const GrPrimitiveProcessor& primProc,
-                                VkPipelineShaderStageCreateInfo* shaderStageInfo,
-                                int shaderStageCount,
-                                GrPrimitiveType primitiveType,
-                                const GrVkRenderPass& renderPass,
-                                VkPipelineLayout layout);
-
-    VkPipeline pipeline() const { return fPipeline; }
-
-private:
-    GrVkPipeline(VkPipeline pipeline) : INHERITED(), fPipeline(pipeline) {}
-
-    GrVkPipeline(const GrVkPipeline&);
-    GrVkPipeline& operator=(const GrVkPipeline&);
-
-    void freeGPUData(const GrVkGpu* gpu) const override;
-
-    VkPipeline  fPipeline;
-
-    typedef GrVkResource INHERITED;
-};
-
-#endif