Drop the initial resolve step for dynamic references

[jdesrosiers]

Fixes #1140

Without bookending or initial resolution, describing how dynamic references work becomes much more straightforward.

This is provided as a draft PR just to show what the change might look like if agreed upon. Any discussion about whether or not to make this change should happen in #1140.

[jdesrosiers]

The draft-next branch has been merged and is now closed. The merge target for this PR has been changed to main. Here are the recommended steps to get your branch reabsed properly.

1. Make sure your remote for the json-schema-org/json-schema-spec repo is up-to-date. (Example: git fetch upstream).
2. Rebase your commits onto main. (Example: git rebase --onto upstream/main abcd123~1 (replace abcd123 with the commit hash of the first commit in your PR)).
3. Force push the rebased branch to your fork. (Example: git push --force origin my-branch).