Update NR Customer-Facing Docs Hosting and data storage Sections

[demel]

Please follow conventional commit standards
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Give us some context

• What problems does this PR solve?
  NR-265888

NR customer facing docs currently make reference to our de-provisioned Chicago hosts, IBM data centers, and state we solely use mysql datastores. The New Relic Database Team has been asked to update the copy to accurately reflect the state of our data storage layers.

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  links to related docs, screenshots, etc.
• If your issue relates to an existing GitHub issue, please link to it.

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[github-actions]

Hi @demel 👋

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[demel]

@homelessbirds

[akristen]

Hi @demel Can you sign our CLA? Thanks!

[demel]

Hi @akristen, of course. CLA has been signed.

[homelessbirds]

This is being reviewed by legal right now. Will be done by the end of next week!