You can do that right now like this:
But there are a couple of problems:
1. You will lose the component description
2. It doesn't feel right in general having to do it this way (moving the variant out of the component) when you should be able to do it the same way you can ungroup elements.
I already created a post to suggest this feature, but then I realized I created it as a question and I recreated it to make it a conversation instead.

Iām going to ask admins to delete that post for me so we can keep this one instead.