Revert D27505153: [pytorch][PR] OpInfo: `atan2`
Test Plan: revert-hammer
Differential Revision:
D27505153 (https://github.com/pytorch/pytorch/commit/e309ab85100b2d7109ddda85685c2e87dc7a2e62)
Original commit changeset: 45430ad0a7ef
fbshipit-source-id: 630c287e9344b32bd3fcf5092e3e952907774fba
