Alerting: Remove concurrent_render_limit in legacy alerting #83775
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What is this feature?
This PR is a part of the efforts to remove the deprecated alerting. It removes a setting
[alerting].concurrent_render_limit
. The setting was used in HeadlessScreenshotService, which is used by the Unified Alerting screenshot service with its own rate-limiting mechanism. Therefore, I chose to replace the setting with the global setting[rendering].concurrent_render_request_limit
whose default value is 30.Why do we need this feature?
Remove legacy alerting.
Who is this feature for?
This change should not affect anyone.
Which issue(s) does this PR fix?:
Contributes to #81268
Special notes for your reviewer:
Please check that: