Sharon Osbourne is having the last laugh now that The Talk — the show that kicked her to the curb — has been cancelled. Sources reveal Osbourne, 71, is celebrating the news of the daily talk show’s run coming to an end, RadarOnline.com has learned. The Talk and the 71-year-old reality diva parted ways three years ago after she was accused of making racially charged comments to co-hosts — and now the show has been slated for cancellation in December after 15 seasons. “Sharon’s telling pals they got what they deserved,” a spy spilled to the National Enquirer. “She’s gloating that the ranking san…