In order to delete a favorite, highlight or note, you must first navigate to the passage and translation where that annotation is present.
1. Un-highlight a verse. Tap or click-to-select it the highlight you would like to remove. The toolbar will appear above the verse. To the right of the highlight colors is a box with an "X' in it. Tap or click on this to un-highlight the verse. Pictured here:
2. Remove a favorite. Go to the verse that you would like to un-favorite and tap or click on the star icon to the left of the verse. This will cause the star to disappear.
3. Delete a note. Tap or click on the note icon that appears at the left side of the verse next to the verse number. 
This will open the note. Tap or click on the delete icon to remove the note. Pictured here:
