Revert "Allow supporting 1 older PICTURE_VERSION."

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index e534abaa55563bc4bbb82508b1acfc493cd0a6ed..d54a6c5f3b3384d99499e6966dd139b4fce280e5 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -537,7 +537,6 @@ void SkPicturePlayback::parseStreamTag(SkStream* stream, const SkPictInfo& info,
 
             SkOrderedReadBuffer buffer(storage.get(), size);
             buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags));
-            buffer.setPictureVersion(info.fVersion);
 
             fFactoryPlayback->setupBuffer(buffer);
             fTFPlayback.setupBuffer(buffer);