Update remoting and language mode articles

[sdwheeler]

PR Summary

This PR updates remoting and language mode articles as preparation for further updates outlined in AB#164198.

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit 0435d6d:

✅ Validation status: passed

File	Status	Preview URL	Details
.openpublishing.redirection.json	✅Succeeded	View (>=powershell-5.1)
reference/5.1/Microsoft.PowerShell.Core/About/about_Language_Modes.md	✅Succeeded	View (powershell-5.1)
reference/7.2/Microsoft.PowerShell.Core/About/about_Language_Modes.md	✅Succeeded	View (powershell-7.2)
reference/7.3/Microsoft.PowerShell.Core/About/about_Language_Modes.md	✅Succeeded	View (powershell-7.3)
reference/7.4/Microsoft.PowerShell.Core/About/about_Language_Modes.md	✅Succeeded	View (powershell-7.4)
reference/docs-conceptual/learn/remoting/SSH-Remoting-in-PowerShell.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/learn/remoting/SSH-Remoting-in-PowerShell-Core.md	✅Succeeded	n/a (file deleted or renamed)
reference/docs-conceptual/learn/remoting/WSMan-Remoting-in-PowerShell.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/learn/remoting/WSMan-Remoting-in-PowerShell-Core.md	✅Succeeded	n/a (file deleted or renamed)
reference/docs-conceptual/learn/remoting/wsman-unsupported-for-nonwindows.md	✅Succeeded	n/a (file deleted or renamed)
reference/docs-conceptual/toc.yml	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.

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