[AutoDeploy]: use HF from_pretrained
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Description
🚀 The feature, motivation and pitch
Consider loading the model directly into RAM/VRAM instead of the meta device. Why?
- Subtleties in operations between real-tensor operations and meta-tensor operations (e.g. some operations are not supported)
- HF's from_pretrained has much more robust support than from_config as we use now
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