Delete and Select Next Region/Event

Deletes the selected region(s)/event(s) and selects the next region.

When you delete a region with the Erase tool or the delete key only the selected regions are deleted. There is no longer a selection.

Delete regions in the Logic Pro Tracks area — Apple Support

You can delete one or more regions if you don’t want to use them in your project. When you delete a region, you can move the regions that follow in the track to fill in the empty space left by the deleted region.