Bugfix: Only allow rank==0 to clean up old checkpoints (#2558)

kmn1024

2025-06-25 443bc09c11f3cf89ffc573aab2021f0c933aa5b3

 .gitignore

@@ -27,3 +27,4 @@
modelscope_models
examples/aishell/llm_asr_nar/*
*egg-info
env/