[hailtop.batch] Add ability to unset default resource values (#10603)
[hailtop.batch] Add ability to unset default resource values (#10603)

* [hailtop.batch] Add ability to unset default resource values

* addr comments

* addr comments
hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail