refactor(frontier): remove unused ListOrganizationsByDomain messages

[AmanGIT07]

FrontierService declares no rpc that uses ListOrganizationsByDomainRequest or ListOrganizationsByDomainResponse. Nothing else in this repo references these messages. This removes the two message declarations.

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Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	⏩ skipped	✅ passed	✅ passed	Jul 23, 2026, 6:32 AM

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: b04add50-a197-407c-adf9-3867aa7f919b

📥 Commits

Reviewing files that changed from the base of the PR and between f0b06e6 and f7f9282.

📒 Files selected for processing (1)

• raystack/frontier/v1beta1/frontier.proto

💤 Files with no reviewable changes (1)

• raystack/frontier/v1beta1/frontier.proto

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📝 Walkthrough

Walkthrough

The Frontier v1beta1 proto schema removes ListOrganizationsByDomainRequest and ListOrganizationsByDomainResponse. The request’s validated name field and the response’s repeated organizations field are no longer part of the compiled schema. JoinOrganizationRequest now follows ListOrganizationDomainsResponse.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: removing unused ListOrganizationsByDomain messages.
Description check	✅ Passed	The description directly matches the changeset and explains why the two proto messages were removed.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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