Google scatter chart legend - remove line through dot
<p>This is what the legend looks like:</p>

<p><a href="https://i.stack.imgur.com/XTXLB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XTXLB.png" alt="enter image description here"></a></p>

<p>I want the last 3 series to show up as points, and I want the line through the middle of those dots to go away. Is there a way to do that in series= or legend= options?</p>