Remove _th_take (#52665)
Summary:
These definitions of TH functions were left in the codebase after they were ported to ATen in https://github.com/pytorch/pytorch/pull/45283 and https://github.com/pytorch/pytorch/pull/45430
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52665
Reviewed By: mruberry
Differential Revision: D26655236
Pulled By: ailzhang
fbshipit-source-id: eb106b72dfb814bd1fb4d240a1ede621ef4261b2
