Revert D23842456: Quantization: combine previous summary with new summary
Test Plan: revert-hammer
Differential Revision:
D23842456 (https://github.com/pytorch/pytorch/commit/278da57255f6498010b1886782b6203196bb2471)
Original commit changeset: db2399e51e9a
fbshipit-source-id: 7878257330bf83751cb17c0971a5c894bdf256ba
