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

third_party/lzma/v4_65/files/CPP/7zip/Common/RegisterArc.h

Index: third_party/lzma/v4_65/files/CPP/7zip/Common/RegisterArc.h
diff --git a/third_party/lzma/v4_65/files/CPP/7zip/Common/RegisterArc.h b/third_party/lzma/v4_65/files/CPP/7zip/Common/RegisterArc.h
deleted file mode 100644
index ba5ed7c367738f61fb08075d02db58787b0900bc..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/CPP/7zip/Common/RegisterArc.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// RegisterArc.h
-
-#ifndef __REGISTERARC_H
-#define __REGISTERARC_H
-
-#include "../Archive/IArchive.h"
-
-typedef IInArchive * (*CreateInArchiveP)();
-typedef IOutArchive * (*CreateOutArchiveP)();
-
-struct CArcInfo
-{
-  const wchar_t *Name;
-  const wchar_t *Ext;
-  const wchar_t *AddExt;
-  Byte ClassId;
-  Byte Signature[16];
-  int SignatureSize;
-  bool KeepName;
-  CreateInArchiveP CreateInArchive;
-  CreateOutArchiveP CreateOutArchive;
-};
-
-void RegisterArc(const CArcInfo *arcInfo);
-
-#define REGISTER_ARC_NAME(x) CRegister ## x
-
-#define REGISTER_ARC_DEC_SIG(x) struct REGISTER_ARC_NAME(x) { \
-    REGISTER_ARC_NAME(x)() { g_ArcInfo.Signature[0]--; RegisterArc(&g_ArcInfo); }}; \
-    static REGISTER_ARC_NAME(x) g_RegisterArc;
-
-#define REGISTER_ARC(x) struct REGISTER_ARC_NAME(x) { \
-    REGISTER_ARC_NAME(x)() { RegisterArc(&g_ArcInfo); }}; \
-    static REGISTER_ARC_NAME(x) g_RegisterArc;
-
-#endif