reenable cuda_kernel_loop_overflow_large test (#30797)
Summary:
Fix https://github.com/pytorch/pytorch/issues/30771 has landed, original issue https://github.com/pytorch/pytorch/issues/26838 is now closed
cc peterjc123
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30797
Differential Revision: D18827307
Pulled By: ngimel
fbshipit-source-id: 41b3db5fc9db85daeaa1b53c55b468976c996285
