Fixes #7218 - Updates Exit-PSSession

[chasewilson]

PR Summary

Updates formatting to current standards for Exit-PSSession all versions.

PR Context

Fixes #7218
Fixes AB#1815734

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[opbld30]

Docs Build status updates of commit 88fafee:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/5.1/Microsoft.PowerShell.Core/Exit-PSSession.md	✅Succeeded	View (powershell-5.1)
reference/7.0/Microsoft.PowerShell.Core/Exit-PSSession.md	✅Succeeded	View (powershell-7)
reference/7.1/Microsoft.PowerShell.Core/Exit-PSSession.md	✅Succeeded	View (powershell-7.1)
reference/7.2/Microsoft.PowerShell.Core/Exit-PSSession.md	✅Succeeded	View (powershell-7.2)

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