No need for clear for each worker

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/nextcloud/client/files/downloader/FileDownloadWorker.kt

@@ -166,7 +166,6 @@ class FileDownloadWorker(
 
     private fun setIdleWorkerState() {
         pendingDownloads.all.clear()
-        pendingDownloadFileIds.clear()
         currentDownload = null
         WorkerStateLiveData.instance().setWorkState(WorkerState.Idle)
     }