Revert "Merge branch 'malvarez-consolidate-http-status-code-field' into 'main'"

What does this MR do?

Revert "Merge branch 'malvarez-consolidate-http-status-code-field' into 'main'"

This reverts merge request !6492 (merged)

Why was this MR needed?

The previous changes changed the type of the logging field status from String to Integer. This was pointed out to have the risk of causing type conflicts: Slack (internal) & https://opster.com/guides/elasticsearch/glossary/elasticsearch-conflicting-field/

We are reverting the changes to first figure out the necessary type mappings.

What's the best way to test this MR?

What are the relevant issue numbers?