Revert D25903846: [pytorch][PR] Structured kernel definition for upsample_nearest2d
Test Plan: revert-hammer
Differential Revision:
D25903846 (https://github.com/pytorch/pytorch/commit/19a8e68d8c2c53f47f1dcfdbadec03f6897d84e6)
Original commit changeset: 0059fda9b7d8
fbshipit-source-id: b4a7948088c0329a3605c32b64ed77e060e63fca
