fix: remove descending (#815)

> see https://github.com/orgs/community/discussions/152515
-------
* ♻️ 删除 `descending` 参数
------
* ♻️ remove `descending` args in changesStream


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Refactor**
* Simplified the process for handling request URLs when fetching data,
removing the explicit addition of certain query parameters. This does
not affect user-facing functionality.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: fengmk2 <fengmk2@gmail.com>

app/common/adapter/changesStream/NpmChangesStream.ts

@@ -43,9 +43,7 @@ export class NpmChangesStream extends AbstractChangeStream {
   ): AsyncGenerator<ChangesStreamChange> {
     // https://github.com/orgs/community/discussions/152515
     const db = this.getChangesStreamUrl(registry, since);
-    const url = new URL(db);
-    url.searchParams.set('descending', 'true');
-    const { data, headers } = await this.httpclient.request(url, {
+    const { data, headers } = await this.httpclient.request(db, {
       timeout: 60_000,
       headers: {
         'npm-replication-opt-in': 'true',