Refactor checks for sending data to AI

What does this MR do and why?

As per Refactor checks for sending data to AI (#411479 - closed), we are removing the send_to_ai method.

Now that we allow to send everything to AI, even on private projects, we can get rid of the send_to_ai? method.

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Before	After

How to set up and validate locally

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MR acceptance checklist

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

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Related to #411479 (closed)