Remove Travis-CI access to this repo

[ezbc]

Since we no longer have the module in this repo, we should disallow access to Travis-CI.

@caverac could you go to settings on your github profile and disallow access to Travis-CI?

Here is a link describing how to do so:
https://docs.travis-ci.com/user/getting-started/

[caverac]

I think I did it, but am not sure