Disallow redundant typecasts. (#15030)

packages/cli/src/config/config.test.ts

@@ -60,7 +60,7 @@ vi.mock('fs', async (importOriginal) => {
       if (mockPaths.has(p.toString())) {
         return { isDirectory: () => true } as unknown as import('fs').Stats;
       }
-      return (actualFs as typeof import('fs')).statSync(p as unknown as string);
+      return actualFs.statSync(p as unknown as string);
     }),
     realpathSync: vi.fn((p) => p),
   };