InternalFrame in 2.x

[Al Maw]

FYI

wicket.markup.html.link.InternalFrame was empty:
http://svn.apache.org/viewvc/incubator/wicket/trunk/wicket/src/main/java/wicket/markup/html/link/InternalFrame.java?view=log

It's been replaced by InlineFrame, so I've removed it.

Al