[quant][ao_migration] nn.intrinsic migration to ao (#84842)
All quantization-related modules are being migrated to `torch.ao`. This migrates the `nn.intrinsic.modules`. Please, see the [tracker](https://github.com/pytorch/pytorch/issues/81667) for the timeline.
Differential Revision: [D39419733](https://our.internmc.facebook.com/intern/diff/D39419733/)
**NOTE FOR REVIEWERS**: This PR has internal Facebook specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D39419733/)!
Pull Request resolved: https://github.com/pytorch/pytorch/pull/84842
Approved by: https://github.com/jerryzh168
