Fix testing output

2023/25/index.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'bun:test';
-import { solveFirst, solveSecond } from './index.ts';
+import { solveFirst } from './index.ts';
 
 describe('2023-25', () => {
   it('first', () => {
@@ -18,10 +18,4 @@ rzs: qnr cmg lsr rsh
 frs: qnr lhk lsr`;
     expect(solveFirst(testInput)).toBe(54);
   });
-  it('second', () => {
-    // TODO: add second input
-    const testInput = ``;
-    // TODO: add second solution
-    expect(solveSecond(testInput)).toBe(0);
-  });
 });