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

third_party/minicrt/alloc.cc

Index: third_party/minicrt/alloc.cc
diff --git a/third_party/minicrt/alloc.cc b/third_party/minicrt/alloc.cc
deleted file mode 100644
index a90271f842e9a9edc196bfa9cdefd945bc10bada..0000000000000000000000000000000000000000
--- a/third_party/minicrt/alloc.cc
+++ /dev/null
@@ -1,23 +0,0 @@
-//==========================================
-// LIBCTINY - Matt Pietrek 2001
-// MSDN Magazine, January 2001
-//==========================================
-#include "libctiny.h"
-#include <windows.h>
-#include <malloc.h>
-
-extern "C"
-#if _MSC_VER >= 1400
-__declspec(noalias restrict)
-#endif
-void * __cdecl malloc(size_t size) {
-    return HeapAlloc( GetProcessHeap(), 0, size );
-}
-
-extern "C"
-#if _MSC_VER >= 1400
-__declspec(noalias)
-#endif
-void __cdecl free(void * p) {
-    HeapFree( GetProcessHeap(), 0, p );
-}