Revert D26276903: [pytorch][PR] Add LazyBatchNormXd
Test Plan: revert-hammer
Differential Revision:
D26276903 (https://github.com/pytorch/pytorch/commit/aa1fd6b45af9aff7f90ca2693ba3b97452e4724c)
Original commit changeset: 0ac706974178
fbshipit-source-id: bfe01b01cd460f1e2845ea5ef1fc1514e6b6ba54