[quant][fx][devs] Delete unused code (#72244)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72244
att
Test Plan:
python test/test_quantization.py TestQuantizeFx
python test/test_quantization.py TestQuantizeFxOps
Imported from OSS
Reviewed By: albanD
Differential Revision: D33971544
fbshipit-source-id: a6e01d08ae9fdd479bba8abfa0941c555650f84e
(cherry picked from commit fe756cc67a7b0d484541ce40af620982872d06aa)