If you accidentally create a row or just need to get rid of one, you can remove it easily by accessing a row's drop-down menu. However, removing a row also removes all of it's events and this action is irreversible.
Step 1 — Click More
Access a row's menu by hovering over the row, then click the More Icon (⋯)
Step 2 — Remove Row
In the row's drop-down menu, click Remove Row.
Step 3 — Confirm
Finally, click Remove Row to confirm.
NOTE: Removing a row will clear its events, this action cannot be undone.