Remove NULL arguments that have been marked deprecated by rocBLAS (#25866)
Summary:
Silences compile-time warnings
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25866
Differential Revision: D17265421
Pulled By: bddppq
fbshipit-source-id: 72c70a1aad655ff782f6e1dbb1002bc59b1eb9f3
