Resubmit Remove `THTensor_(fill)` & `THTensor_(zero)` (#40108)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40108
Remove `THTensor_(fill)` & `THTensor_(zero)` following the PR https://github.com/pytorch/pytorch/pull/39042 as reference
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39727
Test Plan: buck test caffe2/caffe2/fb/python:pytorch_func_test
Reviewed By: dzhulgakov
Differential Revision: D22070199
Pulled By: ngimel
fbshipit-source-id: d32ff0cc0dbc8a80b49ce184f08bda34ad0f2668
