remove prefix strings from type names

[ships]

Description

Changes names like DocmapAssertion to Assertion, DocmapAction to Action, etc.

Checklist

• [x] I have tested these changes locally and they work as expected.
• [x] I have added or updated tests to cover any new functionality or bug fixes.
• [x] I have updated the documentation to reflect any changes or additions to the project.
• [x] I have followed the project's code of conduct and conventions for commit messages.

Additional Information

This fix should improve useability as you can always import * as if you need to differentiate. This will be annoying to deprecate later, so let's go before 1.0 is released.