I have all about layers. hehe .. THe Done button is actually set with an offset ancor, thus one I found and modified.
And looking at the Chat window, that is too.
There might very well be a way to remove it, or atleast hide it. Although, do note, hiding it in the XML file calls will completely remove it from your UI. There isn't any way to get it back by hitting 'Enter', like the old UI.
THis will also mean that there will be no way to tell if you've accidentally hit 'Enter' and you're really typing a big line of 14123121213314 instead of actually attacking.
I'm not 100% sure how to do this w/out moding the UI myself, and requires loading up EQ and all, suckage.
But locate the <Editbox> in the EQUI_ChatWindow.xml file. In there you'll see a number of <**AnchorOffset> Tags. I would start by making them some neg numbers.
The Main chat window is set to autostretch, and I
think this is border to border only. So, it
shouldn't auto stretch off screen if you move the cat bar way way down, off window.
Hope this helps ..