It had an old, cottered crankset on it. I removed everything but the cups, if I'm naming my parts properly. For the purpose of stripping, repainting (or powdercoating) and possibly upgrading the bottom bracket, I'd really like to get it completely removed. I'm just not sure how. I gave a couple of experimental taps with a screwdriver and a hammer, which is how I removed the headset cups, but I don't want to ruin any threading that may exist in my bottom bracket, although I can't see a way to grab those parts, so it's hard to imagine that they're sitting in any kind of thread. So what's the proper procedure for removing these pieces:
