You can remove a team from appearing on your front end website by unpublishing the team.

To unpublish a team from your front end website:
  1. Navigate to Extracurricular.
  2. Select Athletics > Athletics Setup > Sports & Teams.
  3. To the right of the Team, click the pencil/edit icon.
  4. On the General tab, change "Publish To Website" to No.
  5. Click Save & Close.