With the new release process in place, I think keeping a separate
version number for desktop is confusing and unnecessary. This PR remove
it so the desktop version reports the version number of the web version
embedded in the binary.
## Launch Checklist
<!-- Thanks for the PR! Feel free to add or remove items from the
checklist. -->
- [x] Briefly describe the changes in this PR.
- [x] Add an entry to `CHANGELOG.md` under the `## main` section.
