remove SK_SUPPORT_LEGACY_WRITEPIXELSCONFIG -- dead code

src/utils/SkPictureUtils.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 67 matching lines @@
     virtual bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE { return false; }
     virtual bool filterImage(const SkImageFilter*, const SkBitmap&, const SkImageFilter::Context&,
                              SkBitmap* result, SkIPoint* offset) SK_OVERRIDE {
         return false;
     }
 
     virtual void clear(SkColor color) SK_OVERRIDE {
         nothing_to_do();
     }
 
-#ifdef SK_SUPPORT_LEGACY_WRITEPIXELSCONFIG
-    virtual void writePixels(const SkBitmap& bitmap, int x, int y,
-                             SkCanvas::Config8888 config8888) SK_OVERRIDE {
-        not_supported();
-    }
-#endif
-
     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE {
         this->addBitmapFromPaint(paint);
     }
     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
                             const SkPoint[], const SkPaint& paint) SK_OVERRIDE {
         this->addBitmapFromPaint(paint);
     }
     virtual void drawRect(const SkDraw&, const SkRect&,
                           const SkPaint& paint) SK_OVERRIDE {
         this->addBitmapFromPaint(paint);
@@ skipping 123 matching lines @@
     canvas.clipRect(area, SkRegion::kIntersect_Op, false);
     canvas.drawPicture(*pict);
 
     SkData* data = NULL;
     int count = array.count();
     if (count > 0) {
         data = SkData::NewFromMalloc(array.detach(), count * sizeof(SkPixelRef*));
     }
     return data;
 }