I'm not sure what you're trying to get rid of, but I'll give it a shot:
The code that can manipulate the table that makes up the frame is . Using that, you can change the background color and the width of the frame. The best you can do is make the background color match the background of the rest of your tables, because using "display: none;" will take out the entire table entry.
You can also manipulate the individual elements that make up that portion of the entry. allows you to manipulate the userpic itself, and works on the friends journal links.