[quant][graphmode][fx] Refactor convert for linear to use get_static_module_mapping and get_dynamic_module_mapping (#60151)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/60151
Test Plan:
```
python test/test_quantization.py TestQuantizeFx
python test/test_quantization.py TestQuantizeFxOps
```
Imported from OSS
Reviewed By: vkuzo
Differential Revision: D29188264
fbshipit-source-id: d2b77ffcf4b7446fc6c43248e43218092d2a6aea
