Looks like a Pygmy date palm to me.

I agree, definitely Pygmy Date.

Definitely a Pygmy palm!
-Alex

Thanks, everyone!

Now that I know what it is, I kind of want to keep it. Are there any reasons I shouldn't plant edibles in the rest of the bed?

Edibles should be okay planted in the bed (good question though since its always good to make sure). I wouldnt plant it too closely to the palm though since the spines near the growing bud of the palm are very painful (they release a mild toxin to the skin so it hurts more than just a regular pinch). I would plant some flowering plants or annuals under the palm and some edibles a little bit farther away.
-Alex

Thanks, Alex! I'm new to palms, so this really helps.