fix: remove useless tests

tests/setup.tsx

@@ -1,32 +0,0 @@
-import "@testing-library/jest-dom/vitest";
-import { vi } from "vitest";
-
-// Mock next/navigation
-vi.mock("next/navigation", () => ({
-  usePathname: () => "/",
-  useRouter: () => ({
-    push: vi.fn(),
-    replace: vi.fn(),
-    prefetch: vi.fn(),
-    back: vi.fn(),
-  }),
-  useSearchParams: () => new URLSearchParams(),
-}));
-
-// Mock next-intl to avoid transitive next/server issues
-vi.mock("next-intl/middleware", () => ({
-  default: vi.fn(() => (req: any) => req),
-}));
-
-vi.mock("next-intl/server", () => ({
-  getRequestConfig: vi.fn(),
-}));
-
-// Mock next/server
-vi.mock("next/server", () => ({
-  NextResponse: {
-    json: vi.fn(),
-    next: vi.fn(),
-    redirect: vi.fn(),
-  },
-}));