Revert "feat(ios): Default to consuming sentry-cocoa as an xcframework" (#6381)

[alwx]

📢 Type of change

• Bugfix

📜 Description

Reverts #6381 (merge commit fdb06888), which was accidentally merged. Because the PR was merged as a merge commit that also carried the 8.18.0-alpha.3 release commit on the same feature branch, this revert undoes both the PR content and the 8.18.0-alpha.3 version bump.

💡 Motivation and Context

PR #6381 was merged accidentally. Reverting to restore main to the state prior to fdb06888.

💚 How did you test it?

• Verified git revert -m 1 fdb06888 applied cleanly.
• Diff matches the inverse of the merge (27 files, restores prior RNSentry.podspec, drops the vendored xcframework tooling, restores previous version numbers).

📝 Checklist

• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled
• I updated the docs if needed.
• I updated the wizard if needed.
• All tests passing
• No breaking changes

🔮 Next steps

• Re-cut 8.18.0-alpha.3 from main once the release timing is sorted.
• Re-open feat(ios): Default to consuming sentry-cocoa as an xcframework #6381 from its feature branch when ready to merge intentionally.

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

📋 Changelog Preview

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Entries from this PR are highlighted with a left border (blockquote style).

---

• Revert "feat(ios): Default to consuming sentry-cocoa as an xcframework" (feat(ios): Default to consuming sentry-cocoa as an xcframework #6381) by alwx in #6412

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_{🤖 This preview updates automatically when you update the PR.}

[github-actions]

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🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

### Features

- Default to consuming sentry-cocoa as an xcframework" (#6381) ([#6412](https://github.com/getsentry/sentry-react-native/pull/6412))

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[antonis]

thank you the the quick fix @alwx . LGTM