Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkUtil.cpp

Index: src/gpu/vk/GrVkUtil.cpp
diff --git a/src/gpu/vk/GrVkUtil.cpp b/src/gpu/vk/GrVkUtil.cpp
deleted file mode 100644
index ec3ec234d40981056508c80052e283aa8ddeaeb6..0000000000000000000000000000000000000000
--- a/src/gpu/vk/GrVkUtil.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * 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 "GrVkUtil.h"
-
-bool GrPixelConfigToVkFormat(GrPixelConfig config, VkFormat* format) {
-    VkFormat dontCare;
-    if (!format) {
-        format = &dontCare;
-    }
-
-    switch (config) {
-        case kRGBA_8888_GrPixelConfig:
-            *format = VK_FORMAT_R8G8B8A8_UNORM;
-            break;
-        case kBGRA_8888_GrPixelConfig:
-            *format = VK_FORMAT_B8G8R8A8_UNORM;
-            break;
-        case kSRGBA_8888_GrPixelConfig:
-            *format = VK_FORMAT_R8G8B8A8_SRGB;
-            break;
-        case kRGB_565_GrPixelConfig:
-            *format = VK_FORMAT_R5G6B5_UNORM_PACK16;
-            break;
-        case kRGBA_4444_GrPixelConfig:
-            *format = VK_FORMAT_R4G4B4A4_UNORM_PACK16;
-            break;
-        case kIndex_8_GrPixelConfig:
-            // No current rad support for this config
-            return false;
-        case kAlpha_8_GrPixelConfig:
-            *format = VK_FORMAT_R8_UNORM;
-            break;
-        case kETC1_GrPixelConfig:
-            // converting to ETC2 which is a superset of ETC1
-            *format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
-            break;
-        case kLATC_GrPixelConfig:
-            // No current rad support for this config
-            return false;
-        case kR11_EAC_GrPixelConfig:
-            *format = VK_FORMAT_EAC_R11_UNORM_BLOCK;
-            break;
-        case kASTC_12x12_GrPixelConfig:
-            *format = VK_FORMAT_ASTC_12x12_UNORM_BLOCK;
-            break;
-        case kRGBA_float_GrPixelConfig:
-            *format = VK_FORMAT_R32G32B32A32_SFLOAT;
-            break;
-        case kRGBA_half_GrPixelConfig:
-            *format = VK_FORMAT_R16G16B16A16_SFLOAT;
-            break;
-        case kAlpha_half_GrPixelConfig:
-            *format = VK_FORMAT_R16_SFLOAT;
-            break;
-        default:
-            return false;
-    }
-    return true;
-}
-
-bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSamples) {
-    switch (samples) {
-        case 0: // fall through
-        case 1:
-            *vkSamples = VK_SAMPLE_COUNT_1_BIT;
-            return true;
-        case 2:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        case 4:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        case 8:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        case 16:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        case 32:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        case 64:
-            *vkSamples = VK_SAMPLE_COUNT_2_BIT;
-            return true;
-        default:
-            return false;
-    }
-}
-