update streaming paraformer text process

haoneng.lhn

2023-05-05 7987a7b6fade65a7fd2a70b661c3818862a21965

 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