We have to do the same on iris-contrib/examples, iris-contrib/middleware and e.t.c. Former-commit-id: 0860688158f374bc137bc934b81b26dcd0e10964
relative: https://github.com/kataras/iris/issues/1283 and removing pongo2 from vendor: https://github.com/kataras/iris/issues/1284 Former-commit-id: 3ec57b349f99faca2b8e36d9f7252db0b6ea080d