Delete additional metrics for deployment and env query

What does this MR do and why?

Delete additional metrics for deployment and environment query

Delete specs and usages for both classes.

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Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #397142