lucy24 - 9:43 am on Jan 12, 2013 (gmt 0)
If you try to remove it, it will come right back.
You will learn that many aspects of wmt simply make no sense and you will only get a headache if you try to understand them.
The two-versions issue does have a convoluted sort of explanation. It has to do with needing to show ownership of "both" sites in order to express a preference between the two.
See above about headache.