Clean up complex autograd test list (#50615)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/50615
The method tests for some of the ops have been ported to the new OpInfo based tests. This PR removes those op names from `complex_list` in `test_autograd.py`
Test Plan: Imported from OSS
Reviewed By: mruberry
Differential Revision: D25931268
Pulled By: anjali411
fbshipit-source-id: 4d08626431c61c34cdca18044933e4f5b9b25232
