On the Home Modern page, you'll notice several crossed-out icons:
You can remove the crossing line by editing each icon column settings.
Mouse-hover the content, then locate the Edit Column button and click on it.
Now you have access to the column's background image and you can remove or edit it.
You can also check this article:
http://kb.wpbeaverbuilder.com/article/302-edit-a-column
Guide to Vamtam Beaver Builder