chore: remove deprecated snyk/org/repository/finding/v1 fingerprint

[gergo-papp]

Repository-scoped code identities were never released (they were replaced by asset-scoped identities before going GA). The backend doesn't even define this type of fingerprint.

Similar to snyk/code-client-go#127
Similar PR in registry: https://github.com/snyk/registry/pull/41794

[snyk-io]

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues
✅	Open Source Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

[dotkas]

Confirmed async that these changes were never released and are not returned by the backend, so it should not constitute a breaking change.