In many cases you will want to turn off these behavioral followups for individuals. This is the preferred method to unsubscribing a contact. You don't want to turn off everything for that contact if you can help it.
To disable behavioral messages or texts to an individual contact, access their profile.
Then, on the upper right hand side, click 'More Actions' and then 'Turn Off Behavioral Alerts, or 'Unsubscribe from Texts.'
Smart Campaigns, Market Reports, Listing Traffic Reports and Search Alerts can be removed using the controls on the left side of the profile page. Expand the tile, mouse over the item you want to remove and click on it to see the controls.