replace the customized dataloader setup with the build-in one

applications/ColossalChat/config/conversation_template/THUDM_chatglm2-6b.json

@@ -2,7 +2,11 @@
     "chat_template": "{% for message in messages %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}",
     "system_message": "A chat between a curious human and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the human's questions.\n\n",
     "stop_ids": [
-        2
+        31007,
+        326,
+        30962,
+        437,
+        31007
     ],
     "end_of_assistant": "<|im_end|>"
 }