docs: remove note about using GeminiModel instead of GoogleModel

[Kludex]

No description provided.

[hyperlint-ai]

PR Change Summary

Removed the warning note regarding the use of GeminiModel instead of GoogleModel in the documentation.

• Deleted the warning about using Agent with GeminiModel instead of GoogleModel
• Clarified the instantiation requirements for GoogleModel

Modified Files

• docs/models/google.md

---

How can I customize these reviews?

Check out the Hyperlint AI Reviewer docs for more information on how to customize the review.

If you just want to ignore it on this PR, you can add the hyperlint-ignore label to the PR. Future changes won't trigger a Hyperlint review.

Note specifically for link checks, we only check the first 30 links in a file and we cache the results for several hours (for instance, if you just added a page, you might experience this). Our recommendation is to add hyperlint-ignore to the PR to ignore the link check for this PR.