Make the warning of using SparseTensor in JIT less noisy
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/30499
Test Plan: waitforsandcastle
Reviewed By: wanchaol
Differential Revision: D18705553
fbshipit-source-id: d6e16e3285a74a1c031a5312f7a690f1baf392f8
