Remove outdated note in cholesky_solve and triangular_solve doc strings (#26989)
Summary:
We do support inputs with dim > 2 in _out variants
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26989
Differential Revision: D17785632
Pulled By: soumith
fbshipit-source-id: d42ba7ca9c225ad1a26ff3b410d0c5c08eaed001
