Quality: Edit Example 1 of the `Clear-Host` cmdlet

[ehmiiz]

Prerequisites

• Existing Issue:

Search the existing quality issues for this repository. If there's an issue that
covers the quality area and articles you want to improve, pick a different quality area
or article set. Don't file a new issue for the same work. Subscribe, react, or comment
on that issue instead.

• Descriptive Title:

Write the title for this issue as a short synopsis. If possible, provide context. For
example, "Quality: Command Syntax in Foo" instead of "Quality: Foo"

Quality Areas

Formatting code samples

Article List

• reference/5.1/Microsoft.PowerShell.Core/Clear-Host.md
• reference/7.2/Microsoft.PowerShell.Core/Clear-Host.md
• reference/7.3/Microsoft.PowerShell.Core/Clear-Host.md
• reference/7.4/Microsoft.PowerShell.Core/Clear-Host.md