Remove leftover Android ctable reference

TBR=

Change-Id: I6d8ed2fc2267e2a9b249b3c780495a26f0b5e1c6
Reviewed-on: https://skia-review.googlesource.com/24320
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>

src/core/SkPixelRef.cpp

@@ -63,7 +63,6 @@ void SkPixelRef::android_only_reset(int width, int height, size_t rowBytes,
     fWidth = width;
     fHeight = height;
     fRowBytes = rowBytes;
-    fCTable = std::move(ctable);
     // note: we do not change fPixels
 
     // conservative, since its possible the "new" settings are the same as the old.