ci: Remove TRAVIS env vars
ci: Remove TRAVIS env vars

Former-commit-id: b1b08e921edf4167cb8b558197095650dfe4b03b
syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin