Removed appendix a and toc entry

[mikefrobbins]

PR Summary

Fixes AB#411243 - Previously incorporated appendix a into chapter 2

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 bea2898:

💡 Validation status: suggestions

File	Status	Preview URL	Details
reference/docs-conceptual/learn/ps101/appendix-a.md	💡Suggestion	n/a (file deleted or renamed)	Details
reference/docs-conceptual/toc.yml	✅Succeeded	View (>=powershell-5.1)

reference/docs-conceptual/learn/ps101/appendix-a.md

• [Suggestion: file-not-redirected - See documentation] File reference/docs-conceptual/learn/ps101/appendix-a.md with URL /PowerShell/scripting/learn/ps101/appendix-a was deleted without redirection. To avoid broken links, add a redirection.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

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[learn-build-service-prod]

Learn Build status updates of commit 9724551:

💡 Validation status: suggestions

File	Status	Preview URL	Details
reference/docs-conceptual/learn/ps101/appendix-a.md	💡Suggestion	n/a (file deleted or renamed)	Details
reference/docs-conceptual/toc.yml	✅Succeeded	View (>=powershell-5.1)

reference/docs-conceptual/learn/ps101/appendix-a.md

• [Suggestion: file-not-redirected - See documentation] File reference/docs-conceptual/learn/ps101/appendix-a.md with URL /PowerShell/scripting/learn/ps101/appendix-a was deleted without redirection. To avoid broken links, add a redirection.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel