Pipe: Removed the useless ban on async file transfer for non realtime-first pipes (#17785)

Author: Caideyipi

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/sink/protocol/thrift/async/IoTDBDataRegionAsyncSink.java

@@ -431,7 +431,7 @@ private void transfer(final PipeTransferTsFileHandler pipeTransferTsFileHandler)
             },
             transferTsFileClientManager.getExecutor());
 
-    if (PipeConfig.getInstance().isTransferTsFileSync() || !isRealtimeFirst) {
+    if (PipeConfig.getInstance().isTransferTsFileSync()) {
       try {
         completableFuture.get();
       } catch (final Exception e) {