[PyTorch][easy] Remove dead std::set in parseAliasAnnotation (#65712)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65712
No reason for this to be here.
ghstack-source-id: 139743362
Test Plan: fitsships
Reviewed By: dhruvbird
Differential Revision: D31215696
fbshipit-source-id: 238ea6633629831e54847ce82de23571cf476740
