Revert D25690129: [pytorch][PR] Added linalg.inv
Test Plan: revert-hammer
Differential Revision:
D25690129 (https://github.com/pytorch/pytorch/commit/8554b58fbdd865c760d92bfa50c1119cc8fc65e9)
Original commit changeset: edb2d03721f2
fbshipit-source-id: 8679ea18e637423d35919544d2b047a62ac3abd8
