Remove native_functions.yaml dependency from PointwiseOps (#64172)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64172
Test Plan: Imported from OSS
Reviewed By: gchanan
Differential Revision: D30728584
Pulled By: dagitses
fbshipit-source-id: 2ae9686ac7c312e2d470d26a3cad12afcf7ef47b
