Fix build warnings

[sdwheeler]

Fix build warnings

• Fixes AB#454801

[learn-build-service-prod]

Learn Build status updates of commit 5b9c68b:

✅ Validation status: passed

File	Status	Preview URL	Details
sharepoint/docs-conceptual/sharepoint-server/sharepoint-server-cmdlets.md	✅Succeeded	View
sharepoint/docs-conceptual/sharepoint-server/sharepoint-server-sub-cmdlets.md	✅Succeeded	View
sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Remove-SPOContentSecurityPolicy.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Request-SPOUpgradeEvaluationSite.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Set-SPOTenant.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Get-SPWOPIBinding.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Get-SPWOPISuppressionSetting.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Get-SPWOPIZone.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/New-SPWOPIBinding.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/New-SPWOPISuppressionSetting.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Remove-SPWOPIBinding.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Remove-SPWOPISuppressionSetting.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Set-SPWOPIBinding.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Set-SPWOPIZone.md	✅Succeeded	View (sharepoint-ps)
sharepoint/sharepoint-ps/Microsoft.SharePoint.Powershell/Update-SPWOPIProofKey.md	✅Succeeded	View (sharepoint-ps)
test/Microsoft.Online.SharePoint.PowerShell/Set-SPOBuiltInFontPackageSettings.yml	✅Succeeded

For more details, please refer to the build report.