How to disable sitemap.xml with robots.txt?

@jaycee_rowe 

To disable the sitemap.xml file using the robots.txt file, you can add the following rule to the robots.txt file:

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User-agent: *
Disallow: /sitemap.xml

1. Open the robots.txt file on your website.
2. Add the above lines to the file, specifying the User-agent as '*' (which applies to all bots or crawlers).
3. Specify the Disallow directive followed by the path to your sitemap.xml file, which in this case is '/sitemap.xml'.
4. Save the robots.txt file.

This rule tells search engine crawlers not to access or index the sitemap.xml file.