Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkUniformBuffer.cpp

-/*
-* Copyright 2015 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
-
-#include "GrVkUniformBuffer.h"
-#include "GrVkGpu.h"
-
-
-GrVkUniformBuffer* GrVkUniformBuffer::Create(GrVkGpu* gpu, size_t size, bool dynamic) {
-    if (0 == size) {
-        return nullptr;
-    }
-    GrVkBuffer::Desc desc;
-    desc.fDynamic = dynamic;
-    desc.fType = GrVkBuffer::kUniform_Type;
-    desc.fSizeInBytes = size;
-
-    const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
-    if (!bufferResource) {
-        return nullptr;
-    }
-
-    GrVkUniformBuffer* buffer = new GrVkUniformBuffer(desc, bufferResource);
-    if (!buffer) {
-        bufferResource->unref(gpu);
-    }
-    return buffer;
-}