Delete duplicate paragraph

[erinsteiner-NOAA]

The same paragraph was repeated directly below.

Prework

• [X ] I understand and agree to the code of conduct and the contributing guidelines.
• [NA ] I have already submitted a discussion topic or issue to discuss my idea with the maintainer.

Related GitHub issues and pull requests

• Ref: #

Summary

Simple cleanup of documentation.

[wlandau]

Thanks for pointing this out. Fixed at the roxygen2 level in aa24578.