Revert of Add SkBitmap::readPixels() and reimplement copyTo and SkCanvas::readPixels

include/core/SkBitmap.h

Index: include/core/SkBitmap.h
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h
index 541db79bb3741a9e3dcdc3ba22dbe2089d6e8096..51e9a9243a13b156ab8591d888b79bbbd11588e6 100644
--- a/include/core/SkBitmap.h
+++ b/include/core/SkBitmap.h
@@ -591,28 +591,6 @@
     }
 
     /**
-     *  Copy the bitmap's pixels into the specified buffer (pixels + rowBytes),
-     *  converting them into the requested format (SkImageInfo). The src pixels are read
-     *  starting at the specified (srcX,srcY) offset, relative to the top-left corner.
-     *
-     *  The specified ImageInfo and (srcX,srcY) offset specifies a source rectangle
-     *
-     *      srcR.setXYWH(srcX, srcY, dstInfo.width(), dstInfo.height());
-     *
-     *  srcR is intersected with the bounds of the bitmap. If this intersection is not empty,
-     *  then we have two sets of pixels (of equal size). Replace the dst pixels with the
-     *  corresponding src pixels, performing any colortype/alphatype transformations needed
-     *  (in the case where the src and dst have different colortypes or alphatypes).
-     *
-     *  This call can fail, returning false, for several reasons:
-     *  - If srcR does not intersect the bitmap bounds.
-     *  - If the requested colortype/alphatype cannot be converted from the src's types.
-     *  - If the src pixels are not available.
-     */
-    bool readPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
-                    int srcX, int srcY) const;
-
-    /**
      *  Returns true if this bitmap's pixels can be converted into the requested
      *  colorType, such that copyTo() could succeed.
      */