Well that pic shows what you have installed and basically they are there to stay .... Nothing you can do with those ...
However if you still have copies in your Humble Bundle pack then you can sell, Trade or give those Steam keys away ...
If you still have a free one in your TGC account then the best thing yo do is hit the green "Help Button" on the bottom right of this page ....
I think only Customer Support can help you with this one ..
The only person ever to get all his work done by "Friday" was Robinson Crusoe..