ns for fx: remove model_name from get_matching_activations API (#52926)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52926
Model name is already stored in the Loggers in the prepare call.
Removing the need to specify it again in the extract activations
functions, to simplify things.
Test Plan:
```
python test/test_quantization.py TestFXNumericSuiteCoreAPIs
```
Imported from OSS
Reviewed By: raghuramank100
Differential Revision: D26693473
fbshipit-source-id: 52511cacc16f79fa09c78ccde78e7f439f4b315c
