chore(lint): clear biome warning (unused dt2) and redundant fragment

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/server/src/modules/acquisition-organize/__tests__/subscription.test.ts

@@ -129,7 +129,7 @@ describe.skipIf(!hasPg)("订阅增强(真实 PG + mock qB + 临时目录)", () =
     ).toEqual([{ unit_keys: ["s1e2"] }]);
 
     const dt1 = await submit(p1);
-    const dt2 = await submit(p2);
+    await submit(p2);
     expect((await slotRow(slotId)).status).toBe("downloading");
     await completeAndImport(e1.hash, dt1);
     // E01 入库,但 E02 仍在途:Slot 显示在途阶段而不是静止态;分集账本登记 E01