So use App Launcher to get to the Marketing App and then click the Pitches tab and use the list view you made called Pitch Everything to see all the records and then on the far right you of each record that is extra you can pull down the arrow and Delete.
So use App Launcher to get to the Marketing App and then click the Pitches tab and use the list view you made called Pitch Everything to see all the records and then on the far right you of each record that is extra you can pull down the arrow and Delete.