.circleci: Switch to dynamic MAX_JOBS (#44729)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/44729
Switches our MAX_JOBS from a hardcoded value to a more dynamic value so
that we can always utilize all of the core that are available to us
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: walterddr
Differential Revision: D23759643
Pulled By: seemethere
fbshipit-source-id: ad26480cb0359c988ae6f994e26a09f601b728e3
