remove unnecessary test case since the "P11M" is right now

Author: wxiaoguang

test/relative-time.js

@@ -2498,13 +2498,6 @@ suite('relative-time', function () {
         format: 'auto',
         expected: '4 years ago',
       },
-      {
-        reference: '2024-12-04T00:00:00.000Z',
-        datetime: '2024-01-16T00:00:00.000Z',
-        tense: 'past',
-        format: 'auto',
-        expected: '11 months ago',
-      },
     ])
 
     for (const {