_dequantize_linear -> _dequantize_per_tensor (#26576)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26576
to match `quantize_per_tensor`
Test Plan:
ci
Imported from OSS
Differential Revision: D17517439
fbshipit-source-id: 8c20f9b5d2a50d0e42e4444994b0987e6204ac56
