[temp?] Stop test stats 3d api (#7505)

query_clickhouse is still exposed tho

Author: clee2000

torchci/pages/api/flaky-tests/3dStats.ts

@@ -20,6 +20,7 @@ async function getTest(
   jobFilter: string
 ): Promise<TestInfoAPIResponse> {
   jobFilter = `%${jobFilter}%`;
+  return [];
 
   const res = await queryClickhouseSaved("testStats3d", {
     name,