[ ] [Blocked] Prepare a migration doc for people to start using ui_counters instead of ui_metrics. Running stats aggregations against the ui_counters should provide all the data previously provided by ui_metrics.
[ ] [Blocked] Remove UI_metrics from kibana payloads.
UI metrics is deprecated in favor of UI Counters. We currently send both payloads until we have a full transition to UI Counters.
This is an issue tracker for removing ui_metrics from the usage data payload.