Cleaned Travis CI build config
Cleaned Travis CI build config

zephir-lang/zephir,sergeyklay/zephir,dreamsxin/zephir,zephir-lang/zephir,sjinks/zephir,zephir-lang/zephir,sergeyklay/zephir,sjinks/zephir,dreamsxin/zephir,vpg/zephir,sergeyklay/zephir,sergeyklay/zephir,zephir-lang/zephir,sjinks/zephir,phalcon/zephir,sjinks/zephir,dreamsxin/zephir,vpg/zephir,phalcon/zephir,sjinks/zephir,phalcon/zephir,vpg/zephir,vpg/zephir,vpg/zephir,phalcon/zephir,dreamsxin/zephir,vpg/zephir,sjinks/zephir,phalcon/zephir,sergeyklay/zephir,sergeyklay/zephir,dreamsxin/zephir,phalcon/zephir,dreamsxin/zephir,zephir-lang/zephir