message: release-checklist: remove extraneous words
  Remove extra and premature "publish the release" in the "Publish the release"
  section.
diff: @@ -55,7 +55,7 @@ Push access to the upstream repository is required in order to publish the new t
  - publish the release:
  - [ ] find the new tag in the [GitHub tag list](https://github.com/coreos/zincati/tags), click the triple dots menu, and create a release for it
  - - [ ] write a short changelog (i.e. re-use the PR content) and publish the release
  + - [ ] write a short changelog (i.e. re-use the PR content)
  - [ ] upload `target/zincati-${RELEASE_VER}-vendor.tar.gz`
  - [ ] record digests of local artifacts:
  - `sha256sum target/package/zincati-${RELEASE_VER}.crate`
  