Let's see . . . right click on chart, select properties, . . . er . . . got one of two.
Last item in Colors is stop levels. You can set that to be the same as the background. That fixes SP and TP levels.
Ah, sort of found it - Set Volumes to same color as background. Removes the order lines. The text about the order on the left hand side is still there.
And finally success!!! - Set foreground to the same color as background. Hides the text about the order.