Revert "fix 悬赏任务上限限制"

This reverts commit bfe48a54f4.

src/api_s2c/xstask/ApiRefresh.ts

@@ -15,8 +15,6 @@ export default async function (call: ApiCall<ReqRefresh, ResRefresh>) {
     let event = await G.mongodb.cEvent('xstask').findOne({uid: call.uid, type: 'xstask'});
     if (event?.receiveNum >= 8) return call.error(globalThis.lng.xstask_11);
 
-    delNum = delNum - (event?.receiveNum || 0)
-
     let change: ResRefresh = {};
     let needDel = taskList.filter(task => task.receiveData == undefined || task.receiveData.rec == true);