Remove Subset*Benches

bench/subset/SubsetZoomBench.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.
- */
-
-#include "Benchmark.h"
-#include "SkImageDecoder.h"
-#include "SkImageInfo.h"
-#include "SkStream.h"
-#include "SkString.h"
-
-/*
- *
- * This benchmark is designed to test the performance of subset decoding.
- * Choose subsets to mimic a user zooming in or out on a photo.
- *
- */
-class SubsetZoomBench : public Benchmark {
-public:
-
-    SubsetZoomBench(const SkString& path,
-                    SkColorType colorType,
-                    uint32_t subsetWidth,
-                    uint32_t subsetHeight);
-
-protected:
-    const char* onGetName() override;
-    bool isSuitableFor(Backend backend) override;
-    void onDraw(int n, SkCanvas* canvas) override;
-
-private:
-    SkString                      fName;
-    SkColorType                   fColorType;
-    const uint32_t                fSubsetWidth;
-    const uint32_t                fSubsetHeight;
-    SkAutoTDelete<SkMemoryStream> fStream;
-    typedef Benchmark INHERITED;
-};