Removed print statement in XNNPACK quantize utils

[leafs1]

Summary

Removed print statement in XNNPACK quantize utils

Test plan

Just removed the print statment.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/12785

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❌ 4 New Failures, 2 Cancelled Jobs, 1 Unrelated Failure

As of commit 11cf958 with merge base de24489 ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
• pull / android / build-llm-demo / linux-job (gh)
  RuntimeError: Command docker exec -t 7633775f3c6301f2a2ed6ab94eba54cfe681ba39bd1b1fb0cc5fc2ec8f444d8b /exec failed with exit code 2
• pull / unittest / macos / macos-job (gh)
  The process '/usr/bin/git' failed with exit code 1
• pull / unittest-editable / macos / macos-job (gh)
  The process '/usr/bin/git' failed with exit code 1

CANCELLED JOBS - The following jobs were cancelled. Please retry:

• pull / test-models-linux (mobilebert, portable, linux.2xlarge) / linux-job (gh)
  ##[error]The operation was canceled.
• pull / test-models-linux (mobilebert, xnnpack-quantization-delegation, linux.2xlarge) / linux-job (gh)
  ##[error]The operation was canceled.

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• pull / unittest-buck / macos / macos-job (gh) (detected as infra flaky with no log or failing log classifier)

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[leafs1]

@pytorchbot label "release notes: none"

[GregoryComer]

Note that this change is landed on main as part of larger changes. This PR picks only the log removal for 0.7.