scripts: remove NONFATAL from security-check.py
scripts: remove NONFATAL from security-check.py

Former-commit-id: 5143509bc22b90cb2ac40d3260996820b5595bc2
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin