Kill CUDA_tensor_apply4 (#33998)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/33998
Test Plan: Imported from OSS
Differential Revision: D20196787
Pulled By: VitalyFedyunin
fbshipit-source-id: 1978a014efb4a18ef9fcc7ad928a4264af4a297a
