fix bug for cpp msg not return right name

zhaomingwork

2023-05-13 f2e7ea83c9d8b580d09eb31acf6c2fa60e683e3b

 egs/aishell/transformer/utils/prepare_checkpoint.py

@@ -1,8 +1,6 @@
import os
import shutil

from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks
from modelscope.hub.snapshot_download import snapshot_download