Data deletion feature GA

[JV0812]

Purpose of this pull request

This pull request is to remove the Beta tag for the Data deletion doc and also create the API docs associated with data deletion feature.

Select the type of change

• Minor Changes - Typos, formatting, slight revisions
• Update Content - Revisions, updating sections
• New Content - New features, sections, pages, tutorials
• Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

Ticket (if applicable)

Need data deletion requests API (Beta) to be linked to our public Sumologic API docs