Main goal of this PR is to remove the /api/collect-events middleware that is not appDir compatible.

Summary by cubic

Removed next-collect and all telemetry usage to simplify providers and middleware and drop client-side event collection. No functional changes to user flows; only analytics hooks and endpoints were removed.

• Refactors

  • Deleted EventCollectionProvider and /api/collect-events.
  • Removed collectEvents wrapper from middleware; exported middleware directly.
  • Removed useTelemetry hook and all telemetry.event calls across web and features.
  • Cleaned tests by removing telemetry mocks.
  • Minor cleanup of unused imports and comments.

• Dependencies

  • Removed next-collect from apps/web and packages/lib package.json.
  • Updated yarn.lock to drop next-collect.

^{Written for commit 63b2f0a. Summary will update automatically on new commits.}