[PyTorch][Static Runtime] Delete incorrect alias analysis code (#67075)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67075
Sharing storage if `mayAlias` is incorrect, as the old comment notes; sharing if `mustAlias` would be nice but, as the new comment notes, would not matter.
ghstack-source-id: 143749553
Test Plan: CI
Reviewed By: hlu1
Differential Revision: D31851893
fbshipit-source-id: 5bdc8de984d5919332c9010e8b0160211d96bc2f
