Remove an empty virtual destructor that's not actually necessary
diff --git a/src/core/SkPictureFlat.h b/src/core/SkPictureFlat.h
index db918bb..aad1dcd 100644
--- a/src/core/SkPictureFlat.h
+++ b/src/core/SkPictureFlat.h
@@ -70,8 +70,6 @@
 
 class SkTypefacePlayback : public SkRefCntPlayback {
 public:
-    virtual ~SkTypefacePlayback() {}
-
     virtual void setupBuffer(SkFlattenableReadBuffer& buffer) const {
         buffer.setTypefaceArray((SkTypeface**)fArray, fCount);
     }