ns for fx: move linear weight test case to new API (#53764)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53764
Moving the linear weight test case to new FX NS APIs.
Test Plan:
```
python test/test_quantization.py TestFXNumericSuiteCoreAPIsModels.test_compare_weights_linear
```
Imported from OSS
Reviewed By: hx89
Differential Revision: D26967111
fbshipit-source-id: f0a90d7863d5d866e391729ec28e0e0dea339900
