Kill `operator==` of TensorOptions as confusing one
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/28076
Test Plan: Imported from OSS
Differential Revision: D17980306
Pulled By: VitalyFedyunin
fbshipit-source-id: 2f206d5069ce0bd828d4e96f2e98cf2baa1dfec7
