Simplify hafas time midnight test

src/lib/__tests__/hafas-time.test.ts

@@ -288,11 +288,7 @@ describe("hafasDateTime", () => {
     it('produces "00" for midnight, not "24" (k-clock safety)', () => {
       // Older ICU / Node can render midnight as "24" with hour: "numeric" + hour12: false.
       // We use hour: "2-digit" which guarantees "00" through "23".
-      const utc = new Date(Date.UTC(2024, 0, 15, 0, 0, 0)); // Jan 15 00:00 UTC = Jan 15 01:00 CET
-      const { date: _date, time } = hafasDateTime(utc);
-      expect(time.startsWith("0")).toBe(true); // first digit is "0" from "01", never "24"
-
-      // Direct midnight in Vienna: Dec 31 23:00 UTC = Jan 1 00:00 CET
+      // Dec 31 23:00 UTC = Jan 1 00:00 Vienna (CET)
       const midnightUtc = new Date(Date.UTC(2023, 11, 31, 23, 0, 0));
       const { time: midnightTime } = hafasDateTime(midnightUtc);
       expect(midnightTime).toBe("000000000");