Lint and cosmetic changes

[tuler]

• delete unused tests
• delete unused var
• delete unused type

[changeset-bot]

⚠️ No Changeset found

Latest commit: b183f7f

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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

Click here to learn what changesets are, and how to add one.

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

[endersonmaia]

While at it, you could also fix all Dockerfile warning we're getting at GitHub.

It's up to you do this on this PR or another.