un-"sticky" threads

[Coyote33]

While looking to see when the next Appleseed training shoot is, I saw a bunch of past shoots up above here set up as "Sticky" threads. Since they have all gone by now, can they be "Un-stickied"?

 

[crak]

Yeah we're posting 2011 dates now. Best place to find them right now is appleseedinfo.org