Enter-PSSession - Fix example 7 description

[ClaudioESSilva]

Make the description clear.
Example 7 is not using -Port parameter but rather infers that from the -HostName parameter.

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[github-actions]

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[opbld32]

Docs Build status updates of commit 8ee0bf8:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/7.2/Microsoft.PowerShell.Core/Enter-PSSession.md	✅Succeeded	View (powershell-7.2)

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

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[opbld33]

Docs Build status updates of commit da4f5c3:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/5.1/Microsoft.PowerShell.Core/Enter-PSSession.md	✅Succeeded	View (powershell-5.1)
reference/7.0/Microsoft.PowerShell.Core/Enter-PSSession.md	✅Succeeded	View (powershell-7)
reference/7.2/Microsoft.PowerShell.Core/Enter-PSSession.md	✅Succeeded	View (powershell-7.2)
reference/7.3/Microsoft.PowerShell.Core/Enter-PSSession.md	✅Succeeded	View (powershell-7.3)

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

• Try searching the docs.microsoft.com contributor guides
• Post your question in the Docs support channel