[easy] [PyTorch Edge] Remove double pragma once directive in the generated code (#65620)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65620
This was bothering me for a while.
ghstack-source-id: 138914860
Test Plan: Sandcastle
Reviewed By: beback4u
Differential Revision: D31162648
fbshipit-source-id: 72c47ea34d40c772bb53da721fcb36365b5dbaf3
