Get rid of printf in cuda fuser debugPrint() (#46994)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/46994
Reviewed By: raghuramank100, mruberry
Differential Revision: D25342954
Pulled By: malfet
fbshipit-source-id: 549b5b072f7f70877261a155e989a21072ec49d8
