Remove duplicated message about unknown versions

[felipecrs]

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It turns out that this message is displayed twice, without a reason. Example:

$ winget upgrade --all
Name  Id             Version Available Source
---------------------------------------------
gsudo gerardog.gsudo 1.0.2.0 1.1.0     winget
1 upgrades available.
10 packages have version numbers that cannot be determined. Use "--include-unknown" to see all results.

(1/1) Found gsudo [gerardog.gsudo] Version 1.1.0
This application is licensed to you by its owner.
Microsoft is not responsible for, nor does it grant any licenses to, third-party packages.
Downloading https://github.com/gerardog/gsudo/releases/download/v1.1.0/gsudoSetup.msi
  ██████████████████████████████   364 KB /  364 KB
Successfully verified installer hash
Starting package install...
Successfully installed

10 packages have version numbers that cannot be determined. Use "--include-unknown" to see all results.

$ winget upgrade --all
No installed package found matching input criteria.
10 packages have version numbers that cannot be determined. Use "--include-unknown" to see all results.
No applicable update found.
10 packages have version numbers that cannot be determined. Use "--include-unknown" to see all results.

This PR removes the latter duplicated message.

Microsoft Reviewers: Open in CodeFlow

[yao-msft]

/azp run

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[yao-msft]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).