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

third_party/minicrt/security.cc

Index: third_party/minicrt/security.cc
diff --git a/third_party/minicrt/security.cc b/third_party/minicrt/security.cc
deleted file mode 100644
index 7762424999b5e4c44f78b6f509cdd137a0047742..0000000000000000000000000000000000000000
--- a/third_party/minicrt/security.cc
+++ /dev/null
@@ -1,25 +0,0 @@
-#include "libctiny.h"
-#include <windows.h>
-
-extern "C" {
-
-#ifdef _WIN64
-#define kDefaultSecurityCookie 0x2B992DDFA23249D6
-#else  /* _WIN64 */
-#define kDefaultSecurityCookie 0xBB40E64E
-#endif  /* _WIN64 */
-
-DWORD_PTR __security_cookie = kDefaultSecurityCookie;
-
-void __fastcall __security_check_cookie(DWORD_PTR) {
-    return;
-
-    /* Immediately return if the local cookie is OK. */
-    // if (cookie == __security_cookie)
-    //    return;
-
-    /* Report the failure */
-    // report_failure();
-}
-
-};  // extern "C"