Change the inference container to use HF Inference DLC that does not require any custom script[Content Improvement]

**Link to the notebook**
[Add the link to the notebook.](https://github.com/aws/amazon-sagemaker-examples/blob/main/sagemaker_processing/fairness_and_explainability/text_explainability/text_explainability.ipynb)

**What aspects of the notebook can be improved?**
No need for custom inference script

**What are your suggestions?**
Change from PyTorch inference DLC to HF DLC