fix: Remove DATADOG references

[smikulcik]

Fix the documentation and examples to have the right references with the new links

[mxygem]

Thanks for the help @smikulcik!

[mxygem]

Also, welcome to the project! 🎉 Would you like to update the changelog to reflect your changes, too?

[inluxc]

@smikulcik you have to remove .travis.yml from your PR, has that file was removed from the project to move to CircleCI

[smikulcik]

@jaysonesmith Thanks! Glad to help. I updated the changelog.

@inluxc Thanks. I merged in master so no more travis :)

[mxygem]

Thanks for the help!

[aslakhellesoy]

Hi @smikulcik,

Thanks for your making your first contribution to Cucumber, and welcome to the Cucumber committers team! You can now push directly to this repo and all other repos under the cucumber organization! 🍾

In return for this generous offer we hope you will:

• ✅ Continue to use branches and pull requests. When someone on the core team approves a pull request (yours or someone else's), you're welcome to merge it yourself.
• 💚 Commit to setting a good example by following and upholding our code of conduct in your interactions with other collaborators and users.
• 💬 Join the community Slack channel to meet the rest of the team and make yourself at home.
• ℹ️ Don't feel obliged to help, just do what you can if you have the time and the energy.
• 🙋 Ask if you need anything. We're looking for feedback about how to make the project more welcoming, so please tell us!

On behalf of the Cucumber core team,
Aslak Hellesøy
Creator of Cucumber