Fix Prometheus duplicate metrics
What does this MR do?
Stop duplicate 0 metrics from appearing on the /-/metrics endpoint for http_request_duration_seconds
Screenshots
Does this MR meet the acceptance criteria?
Conformity
- [-] Changelog entry
- [-] Documentation created/updated or follow-up review issue created
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Code review guidelines -
Merge request performance guidelines -
Style guides - [-] Database guides
- [-] Separation of EE specific content
Availability and Testing
I'm unsure if this will affect performance
- [-] Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
- [-] Tested in all supported browsers