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

kmn1024

2025-06-25 443bc09c11f3cf89ffc573aab2021f0c933aa5b3

 examples/industrial_data_pretraining/llm_asr/demo_speech2text.sh

@@ -62,4 +62,3 @@

}&
done
wait