Whether you want to delete it entirely or to remove it from the Breeze platform, you can do so in a few steps.

Deleting the website will delete all the database and staging environment of the website. So take backups before deleting the site.
Deleting Website
Follow the steps to delete the website.
Step 2: Select the Company
Step 3: Open the 'Store' you like to Delete
Step 4: Click the ‘Delete’ option in the left navigation bar
Step 5: Confirm the deletion by typing sitename-live
Step 6: Push the Delete button
Once deleted, you will get a confirmation message Before deleting the Live site, you have to delete the Stage. Also, make sure to take a backup before deleting the website. We are not responsible for your website files and data after the deletion of website.