Revert "Update travis.yml"
Revert "Update travis.yml"

This reverts commit b3bc19764ed21d415ac322039ab203cad55b4a05.

[ci skip]

rails-girls-summer-of-code/rgsoc-teams,TeamCheesy/rgsoc-teams,rails-girls-summer-of-code/rgsoc-teams,TeamCheesy/rgsoc-teams,rails-girls-summer-of-code/rgsoc-teams,TeamCheesy/rgsoc-teams