I think I got the current template from Google's open-sourcing
process, but I don't care about most of it (GitHub actions already
check that tests pass, for example). Let's instead tell contributors
that they don't need to write anything at all there and that they
should describe the changes in the commit message(s) instead.
I agree with @unrelentingtech's comment in #54 that the steps to
reproduce should come before the expected and actual behavior. I don't
know where I got the current template from. I think it was from
Google's process for open-sourcing the project.
I also removed the version field from the template for now since I
haven't started updating it regularly yet. I should start doing that.
