Revert of antialias matrix-image-filter to get smooth diagonals

src/core/SkMatrixImageFilter.h

 /*
  * Copyright 2014 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkMatrixImageFilter_DEFINED
 #define SkMatrixImageFilter_DEFINED
 
@@ skipping 39 matching lines @@
                         SkFilterQuality,
                         SkImageFilter* input);
     void flatten(SkWriteBuffer&) const override;
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* loc) const override;
     virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&,
                                 SkIRect* dst) const override;
 
 private:
-    bool onMayDrawWithMatrix() const override { return true; }
-
     SkMatrix              fTransform;
     SkFilterQuality       fFilterQuality;
     typedef SkImageFilter INHERITED;
 };
 
 #endif