[CI] Disable ios-12-5-1-x86-64 (#81612) (#81612) (#82096)
Summary:
Currently broken, but for a while it was not testing trunk, but rather some old released build, see https://github.com/pytorch/pytorch/runs/7369514831?check_suite_focus=true#step:9:147
Pull Request resolved: https://github.com/pytorch/pytorch/pull/81612
Approved by: https://github.com/kit1980
Test Plan: contbuild & OSS CI, see https://hud.pytorch.org/commit/pytorch/pytorch/446833d11f7a99366323bf4033a579a10a9309c6
Reviewed By: DanilBaibak
Differential Revision: D37919692
Pulled By: malfet
fbshipit-source-id: c4fb3e32ffd2ca4d9004a4ab14d651cface00c26
Co-authored-by: Nikita Shulga (Meta Employee) <nshulga@fb.com>
