[quant][graphmode][fx] Move quant-fx2trt unittests to test_quantize_fx.py (#67064)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67064
Test Plan: Imported from OSS
Reviewed By: vkuzo
Differential Revision: D31849075
fbshipit-source-id: 9c5e8aad7c88070830d853faf3106491726e77ff
