remove printing info in datasets

[NicolasHug]

Stack from ghstack (oldest at bottom):

• seriously #8688
• thanks mypy #8687
• -> remove printing info in datasets #8686

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/vision/8686

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❌ 8 New Failures

As of commit 036fb6b with merge base f68bac9 ():

NEW FAILURES - The following jobs have failed:

• CMake / windows (windows.4xlarge, cpu) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge
• Lint / c-source / linux-job (gh)
  RuntimeError: Command docker exec -t 9bf20756233f7a449c17d7b2a50a7ade65de4e1274013e292a3c3ee4adec9c10 /exec failed with exit code 1
• Lint / python-types / linux-job (gh)
  RuntimeError: Command docker exec -t c7889211287867d96ba1fcf4f93e64f1fb6bdbff818a5a9aaf8ebff383515d46 /exec failed with exit code 1
• Tests / unittests-windows (3.10, windows.4xlarge, cpu) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge
• Tests / unittests-windows (3.11, windows.4xlarge, cpu) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge
• Tests / unittests-windows (3.12, windows.4xlarge, cpu) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge
• Tests / unittests-windows (3.9, windows.4xlarge, cpu) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge
• Tests / unittests-windows (3.9, windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job (gh)
  ##[error]fatal: couldn't find remote ref refs/pull/8686/merge

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[NicolasHug]

Errrrrrrrrrrrrrrrrrrrrr so I just installed gh-stack and it created this. This is not intended. Closing.