Description

Updated Federalist setup. This PR updates the Federalist process to use the latest and standard setup. This closes #4519.

Additional information

Previously we depended on a _config.yml to point Federalist to the generated output to properly deploy. This causes 2 issues:

1. That's no longer necessary and will be deprecated in the future.
2. Builds take longer than necessary, run out of memory, and are prone to crashing.

More info in slack conversation.

Related issues

Related to issue #4520.

⚠️ Note: Once both issues are closed we need to go into Federalist and update the Site Engine field from Jekyll → Node.

Before you hit Submit, make sure you’ve done whichever of these applies to you:

• Follow the 18F Front End Coding Style Guide and Accessibility Guide.
• Run npm test and make sure the tests for the files you have changed have passed.
• Run your code through HTML_CodeSniffer and make sure it’s error free.
• Title your pull request using this format: [Website] - [UI component]: Brief statement describing what this pull request solves.