Revert "Unify workspace dropdowns; Update layouts (#458)"

This reverts commit 4bc8448a1d.

packages/i18n/src/navigation.ts

@@ -1,10 +0,0 @@
-import { createNavigation } from 'next-intl/navigation';
-
-import { routing } from './routing';
-
-/**
- * Creates navigation utilities for next-intl.
- * These utilities are locale-aware and automatically handle routing with locales.
- */
-export const { Link, redirect, usePathname, useRouter, permanentRedirect } =
-  createNavigation(routing);