Remove deprecated torch.matrix_rank (#70981)
The time has come to remove deprecated linear algebra related functions. This PR removes `torch.matrix_rank`.
cc @jianyuh @nikitaved @pearu @mruberry @walterddr @IvanYashchuk @xwang233 @Lezcano
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70981
Approved by: https://github.com/lezcano, https://github.com/kit1980
