removed valgrind (had a problem in ubuntu 20.04)

gcontini

2021-05-20 54d1f4ec3b0e212481b711bac3d1dd5c67afe274

 src/library/os/openssl/signature_verifier.cpp

@@ -10,9 +10,9 @@
#include <stdlib.h>
#include <errno.h>

#ifdef _WIN32
#include <windows.h>
#endif
//#ifdef _WIN32
//#include <windows.h>
//#endif

#include <public_key.h>