Revert D26263480: [Pytorch, Sparsity] Integrate sparse qnnpack operator in framework
Test Plan: revert-hammer
Differential Revision:
D26263480 (https://github.com/pytorch/pytorch/commit/87ebaa4eb190d1da0ce3b839c59d015cb53f9a62)
Original commit changeset: 04ab60aec624
fbshipit-source-id: ad7690eebdc4b2782c2c94b5bbadbde4ef7c0627
