.github: Consolidate linux setup / teardown (#64229)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64229
Consolidates linux setup / teardown into easy to use jinja2 macros
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
cc ezyang seemethere malfet walterddr lg20987 pytorch/pytorch-dev-infra
Test Plan: Imported from OSS
Reviewed By: zhouzhuojie, driazati
Differential Revision: D30683810
Pulled By: seemethere
fbshipit-source-id: 2578630df3e212fb79392a699090553baef44cc2
