chore: Remove more codable v9 checks

[github-actions]

Note

The pull request "chore: Remove more codable v9 checks" was created by @noahsmartin but did not reference an issue. Therefore this issue was created for better visibility in external tools like Linear.

Removing the SDK_V9 checks here. This is already in the changelog from my previous PR

#skip-changelog

[linear]

COCOA-772