Remove obviated comment in `zed-licenses.toml` (#6946)

This PR removes a comment from `zed-licenses.toml`, as it no longer
applies now that we don't have `buildLicenses.ts` anymore.

Release Notes:

- N/A
1f82a2aca1Marshall Bowers committed on 1/28/2024, 7:07:53 PM· committed by GitHubparentb213458
1 file changedLine totals unavailable