Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/CPP/7zip/Compress/ByteSwap.h

Index: third_party/lzma/v4_65/files/CPP/7zip/Compress/ByteSwap.h
diff --git a/third_party/lzma/v4_65/files/CPP/7zip/Compress/ByteSwap.h b/third_party/lzma/v4_65/files/CPP/7zip/Compress/ByteSwap.h
deleted file mode 100644
index f13bec80f29fb9fe957d32a45dd06359d17e5ed1..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/CPP/7zip/Compress/ByteSwap.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// ByteSwap.h
-
-#ifndef __COMPRESS_BYTE_SWAP_H
-#define __COMPRESS_BYTE_SWAP_H
-
-#include "../../Common/MyCom.h"
-
-#include "../ICoder.h"
-
-class CByteSwap2:
-  public ICompressFilter,
-  public CMyUnknownImp
-{
-public:
-  MY_UNKNOWN_IMP
-  STDMETHOD(Init)();
-  STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
-};
-
-class CByteSwap4:
-  public ICompressFilter,
-  public CMyUnknownImp
-{
-public:
-  MY_UNKNOWN_IMP
-  STDMETHOD(Init)();
-  STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size);
-};
-
-#endif