removed valgrind (had a problem in ubuntu 20.04)

gcontini

2021-05-20 54d1f4ec3b0e212481b711bac3d1dd5c67afe274

 test/library/os/execution_environment_test.cpp

@@ -5,7 +5,7 @@

#include <licensecc_properties.h>
#include <licensecc_properties_test.h>
#include "../../../src/library/base/StringUtils.h"
#include "../../../src/library/base/string_utils.h"
#include "../../../src/library/os/network.hpp"
#include "../../../src/library/os/execution_environment.hpp"