Fix finetune doc link bug

[heyufan1995]

No description provided.

[greptile-apps]

Greptile Summary

This PR fixes an incorrect documentation link and removes an extraneous sentence about Hugging Face download stats in both NV-Segment-CT and NV-Segment-CTMR README files.

• The finetuning section link in both READMEs was pointing to inference.md instead of finetune.md; both target files exist and the fix is correct.
• A trailing sentence ("later runs reuse the cached weights while still touching Hugging Face download stats for each inference") was removed from the model weights description in both files.

Confidence Score: 5/5

Documentation-only change that corrects a broken link and removes a misleading sentence; no code or runtime behavior is affected.

Both target finetune.md files exist at the linked paths, so the corrected links will resolve correctly. The removed sentence had no bearing on functionality. No logic, configuration, or test code was touched.

No files require special attention.

Important Files Changed

Filename	Overview
NV-Segment-CT/docs/README.md	Fixed broken finetuning doc link (inference.md → finetune.md) and removed stale HuggingFace stats sentence.
NV-Segment-CTMR/docs/README.md	Same two-line documentation fix as the CT variant: corrected finetune link and removed stale sentence.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[User reads README] --> B{Finetuning section link}
    B -->|Before fix| C["[details](inference.md) ❌"]
    B -->|After fix| D["[details](finetune.md) ✅"]
    C --> E[404 / wrong page]
    D --> F[Correct finetune.md doc]

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_{Reviews (1): Last reviewed commit: "Fix finetune doc link bug" | Re-trigger Greptile}