You delete a point via the map or the Layers panel. To delete a point via the map, simply select the point and tap 'Delete' in the menu that appear at the bottom center of the map. To delete a point from the Layers panel navigate to the folder the point is housed in and a) swipe to delete the feature or b) tap Edit in the upper right corner of the Layers panel and then tap the red "-" button next to the feature.