My first thought was, dampen a rag and wipe around the edges of the lollie. Push in underneath, toward the center. Might take some persistence, but I believe it'll work. You could use the rag to rub up the traces, too, and hopefully prevent a sticky spot where the lollie was. Perhaps a drop, or a few drops, of hydrogen peroxide around the edges, before you begin with the rag, might speed the process.
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