chore(ui): Remove entries that are not to be consumed outside of UI

[alexcarpenter]

Small change to remove entries from components that are not expected to be used outside of the UI package. Only export SignIn and SignUp components currently.

Checklist

• [ ] npm test runs as expected.
• [ ] npm run build runs as expected.
• [ ] (If applicable) JSDoc comments have been added or updated for any package exports
• [ ] (If applicable) Documentation has been updated

Type of change

• [ ] 🐛 Bug fix
• [ ] 🌟 New feature
• [ ] 🔨 Breaking change
• [x] 📖 Refactoring / dependency upgrade / documentation
• [ ] other:

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 2f5ba99e16588b59b406735fbf4afac7af71015c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR