feat(shortgpt): add new script and polish existing code (typos, paths)

[tianyumyum]

Before submitting

• Lint code. If there are lint issues, please format the code first.

# Install and register `pre-commit` in the project folder
pip install pre-commit && pre-commit install

# Process previous code files separately
pre-commit run --file XXXX.py

• Add test cases into tests folder. If there are codecov issues, please add tests cases first.

PR types

1. 新增shortgpt删层操作，用于模型推理加速，减少显存使用
2. 修复原项目中的typo，模型路径不对齐等问题

[paddle-bot]

Thanks for your contribution!

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[DrownFish19]

推荐使用更高版本的paddle，低版本保留时间不会太长

[tianyumyum]

适配更高cuda版本的话，请问具体哪个版本呢，nightly or stable。目前我使用服务器中的cuda version是12.1

[DrownFish19]

可以考虑当前的cuda 12.6和12.9

[DrownFish19]

我看Test测试还有些问题，可以试试拉最新代码，然后重新过Test试试