It was redundant.
If you need to know where, say, Berlin is, you can probably simply type "Berlin" into your Google toolbar.
Space in the link menu at the top of forum is tight. So the redundant link got axed.
It it's place comes the "Friendly links" page.
If you have your own website, blog, or homepage, you can get it linked from that "friendlies" page. See the page itself for details.

The maps page is still retrievable via:
TT search - maps