How do you get rid of those "ghost scrollbars" when a page needs no scrollbars?

Set the Scroll property to "auto" in the body tag to get rid of those "ghost scrollbars" that appear along the right side of the window when a page needs no scrollbars.

Example:
<body scroll="auto">

When you have a page that needs no scrollbars, then the scrollbars will not appear along the right side of the window.
When you have a page that needs scrollbars, then the scrollbars will appear as normal along the right side of the window.