There are a number of ways to delete a Product from your Storefront Admin
1. Navigate to the relevant Product via the Categories & Products list, and click the "Delete" link
Or Click the Delete button, bottom right on any Product edit screen
2. You will then be taken to the "Confirm Product Delete" screen
1. Click the "Delete" button to permanently delete the Product from your Storefront Admin
Note there is no undo for this so be careful you are deleting the correct Product!