Extract code snippets from how-to-delete-comments-by-all-or-a-specific-author-in-a-word-processing-document.md

[mikeebowen]

Extract the code snippets from docs/word/how-to-delete-comments-by-all-or-a-specific-author-in-a-word-processing-document.md and use docfx snippets to retrieve them from the samples folder and audit the text.