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

third_party/lzma/v4_65/files/C/Alloc.h

Index: third_party/lzma/v4_65/files/C/Alloc.h
diff --git a/third_party/lzma/v4_65/files/C/Alloc.h b/third_party/lzma/v4_65/files/C/Alloc.h
deleted file mode 100644
index ff0669cad8d76a32b2cbdb90d963771b95b8e789..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/C/Alloc.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Alloc.h -- Memory allocation functions
-2008-03-13
-Igor Pavlov
-Public domain */
-
-#ifndef __COMMON_ALLOC_H
-#define __COMMON_ALLOC_H
-
-#include <stddef.h>
-
-void *MyAlloc(size_t size);
-void MyFree(void *address);
-
-#ifdef _WIN32
-
-void SetLargePageSize();
-
-void *MidAlloc(size_t size);
-void MidFree(void *address);
-void *BigAlloc(size_t size);
-void BigFree(void *address);
-
-#else
-
-#define MidAlloc(size) MyAlloc(size)
-#define MidFree(address) MyFree(address)
-#define BigAlloc(size) MyAlloc(size)
-#define BigFree(address) MyFree(address)
-
-#endif
-
-#endif