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

third_party/lzma/v4_65/files/CPP/7zip/UI/Common/SortUtils.cpp

Index: third_party/lzma/v4_65/files/CPP/7zip/UI/Common/SortUtils.cpp
diff --git a/third_party/lzma/v4_65/files/CPP/7zip/UI/Common/SortUtils.cpp b/third_party/lzma/v4_65/files/CPP/7zip/UI/Common/SortUtils.cpp
deleted file mode 100644
index 061e7773079c297c58aae905cd6d20373ff57045..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/CPP/7zip/UI/Common/SortUtils.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-// SortUtils.cpp
-
-#include "StdAfx.h"
-
-#include "SortUtils.h"
-#include "Common/Wildcard.h"
-
-static int CompareStrings(const int *p1, const int *p2, void *param)
-{
-  const UStringVector &strings = *(const UStringVector *)param;
-  return CompareFileNames(strings[*p1], strings[*p2]);
-}
-
-void SortFileNames(const UStringVector &strings, CIntVector &indices)
-{
-  indices.Clear();
-  int numItems = strings.Size();
-  indices.Reserve(numItems);
-  for(int i = 0; i < numItems; i++)
-    indices.Add(i);
-  indices.Sort(CompareStrings, (void *)&strings);
-}