How to Delete Items in your Page
Deleting stuff in Page Builder Sandwich is usually done by simply selecting the text or element then hitting the delete or backspace button.
Another alternative is to click the delete / remove button on the inspector:
There are some cases where this doesn't work. Items that won't work are normally containers such as rows, columns or carousels. This is to prevent accidental deletes when deleting content.
To delete those items, click on the delete / remove button on the element's properties in the inspector. For example, to delete a row, you'll have to use this area: