ci: Remove xenial tsan workaround
ci: Remove xenial tsan workaround

Former-commit-id: 14018d6ecdad9398f9dc09788792425ea7a56b1c
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin