test(e2e): drop unused mintUser import in live-ui-resources (code-quality)

All three resource journeys use mintUserWithResources; mintUser was imported but
never referenced. Flagged by github-code-quality on PR #192.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: mastermanas805

e2e/live-ui-resources.spec.ts

@@ -29,7 +29,7 @@ import { test, expect, type APIRequestContext } from '@playwright/test'
 
 import { assertSafeApiTarget } from './cohort'
 import { loadLedger, reapEntities, clearLedger } from './cleanup-ledger'
-import { mintUser, mintUserWithResources, reap, factoryArmed, apiBase, type MintedUser } from './factory'
+import { mintUserWithResources, reap, factoryArmed, apiBase, type MintedUser } from './factory'
 import { newAuthedContext, appURL } from './ui-helpers'
 
 const LIVE = process.env.E2E_LIVE === '1'