Remove unneeded QwQ System prompt (#1610)

* Remove unneeded QwQ System prompt

* Update chart/env/prod.yaml

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Co-authored-by: Nathan Sarrazin <[email protected]>

chart/env/prod.yaml

@@ -139,7 +139,6 @@ envVars:
       },
       {
         "name": "Qwen/QwQ-32B-Preview",
-        "preprompt": "You are a helpful and harmless assistant. You are Qwen developed by Alibaba. You should think step-by-step.",
         "modelUrl": "https://huggingface.co/Qwen/QwQ-32B-Preview",
         "websiteUrl": "https://qwenlm.github.io/blog/qwq-32b-preview/",
         "logoUrl": "https://huggingface.co/datasets/huggingchat/models-logo/resolve/main/qwen-logo.png",