Tidy up comment that referenced old configruation function name.

plugin-server/src/main/ingestion-queues/analytics-events-ingestion-consumer.ts

@@ -23,7 +23,7 @@ export const startAnalyticsEventsIngestionConsumer = async ({
         Consumes analytics events from the Kafka topic `events_plugin_ingestion`
         and processes them for ingestion into ClickHouse.
 
-        Before processing, if isIngestionOverflowEnabled and an event has
+        Before processing, if overflow rerouting is enabled and an event has
         overflowed the capacity for its (team_id, distinct_id) pair, it will not
         be processed here but instead re-produced into the
         `events_plugin_ingestion_overflow` topic for later processing.