chore: move use case into WireDomainPkg - WPB-10347

[caldrian]

WPB-10347 B - Individuals creating a New Team

Issue

This PR deletes unused Swift package targets and moves the IndividualToTeamMigrationUseCaseProtocol into WireDomainPkg.

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Checklist

• Title contains a reference JIRA issue number like [WPB-XXX].
• Description is filled and free of optional paragraphs.
• Adds/updates automated tests.

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UI accessibility checklist

If your PR includes UI changes, please utilize this checklist:

• Make sure you use the API for UI elements that support large fonts.
• All colors are taken from WireDesign.ColorTheme or constructed using WireDesign.BaseColorPalette.
• New UI elements have Accessibility strings for VoiceOver.

[github-actions]

Test Results

    4 files     13 suites   4m 35s ⏱️
3 392 tests 3 363 ✅ 29 💤 0 ❌
3 403 runs  3 374 ✅ 29 💤 0 ❌

Results for commit 77bbccb.

♻️ This comment has been updated with latest results.

[datadog-wireapp]

Datadog Report

Branch report: chore/remove-wiredomainapi-WPB-10347
Commit report: 75f6d4b
Test service: wire-ios-mono

✅ 0 Failed, 3247 Passed, 29 Skipped, 2m 23.5s Total Time

[netbe]

question: why do we have unused targets in the first place?

[caldrian]

why do we have unused targets in the first place?

@netbe I had expected the WireDomain project to be a short-term temporary solution.

[jullianm]

Looks good to me, left a couple of (non-blocking) comments 👍