Remove instructions to update Cargo.lock
We transitioned to using Dependabot to manage dependency upgrades.
@@ -275,13 +275,6 @@ for additional details.
1. Create new posts in [Chef Release Announcements](https://discourse.chef.io) on the Chef Discourse.
1. Tweet a release announcement from `@habitatsh`.
-# Update Cargo.lock
-
-1. In the [habitat](https://github.com/habitat-sh/habitat) repo, run `cargo update`, `cargo check --all --tests`.
-1. If there are warnings or errors that are simple, fix them. Otherwise, lock the appropriate versions in `Cargo.toml` files that lets the build succeed and file an issue to resolve the failure and relax the version lock.
-1. Open a PR for the `Cargo.lock` updates and any accompanying fixes which are necessary.
-1. Repeat with the [builder](https://github.com/habitat-sh/builder) repo (omit the `habitat-launcher` build).
-
# Release postmortem
If there were any problems with the release process that may benefit from changes to code
