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

third_party/lzma/v4_65/files/CPP/7zip/Common/MethodId.cpp

Index: third_party/lzma/v4_65/files/CPP/7zip/Common/MethodId.cpp
diff --git a/third_party/lzma/v4_65/files/CPP/7zip/Common/MethodId.cpp b/third_party/lzma/v4_65/files/CPP/7zip/Common/MethodId.cpp
deleted file mode 100644
index b797b6857f33d93784fc35b42ba213063e73aba4..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/CPP/7zip/Common/MethodId.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-// MethodId.cpp
-
-#include "StdAfx.h"
-
-#include "MethodId.h"
-#include "../../Common/MyString.h"
-
-static inline wchar_t GetHex(Byte value)
-{
-  return (wchar_t)((value < 10) ? ('0' + value) : ('A' + (value - 10)));
-}
-
-UString ConvertMethodIdToString(UInt64 id)
-{
-  wchar_t s[32];
-  int len = 32;
-  s[--len] = 0;
-  do
-  {
-    s[--len] = GetHex((Byte)id & 0xF);
-    id >>= 4;
-    s[--len] = GetHex((Byte)id & 0xF);
-    id >>= 4;
-  }
-  while (id != 0);
-  return s + len;
-}