[tensorexpr][trivial] Remove debug printing from test (#41806)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/41806
Generally a good practice not to have tests spew output.
Test Plan:
`build/bin/test_tensorexpr`
Imported from OSS
Reviewed By: zheng-xq
Differential Revision: D22646833
fbshipit-source-id: 444e883307d058fe77e7550d436fa61b7d91a701
