Remove unnecessary functions and cleanup code in quantization.cpp.
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/26852
Test Plan: Imported from OSS
Differential Revision: D17587742
Pulled By: ZolotukhinM
fbshipit-source-id: f345ea4d524fde9741d6629dec1ea8ab870e49a5
Author
Mikhail Zolotukhin
