[router] Replace unhealthy/tardy requests metrics from percentile to …

…regular bucket (#1294)

[router] Replace unhealthy/tardy requests metrics from percentile to regular

We do not need to detailed percentile metrics of the negative events in route.

services/venice-router/src/main/java/com/linkedin/venice/router/stats/RouterHttpRequestStats.java

@@ -110,11 +110,9 @@ public RouterHttpRequestStats(
     latencySensor = registerSensorWithDetailedPercentiles("latency", new Avg(), new Max(0));
     healthyRequestLatencySensor =
         registerSensorWithDetailedPercentiles("healthy_request_latency", new Avg(), new Max(0));
-    unhealthyRequestLatencySensor =
-        registerSensorWithDetailedPercentiles("unhealthy_request_latency", new Avg(), new Max(0));
-    tardyRequestLatencySensor = registerSensorWithDetailedPercentiles("tardy_request_latency", new Avg(), new Max(0));
-    throttledRequestLatencySensor =
-        registerSensorWithDetailedPercentiles("throttled_request_latency", new Avg(), new Max(0));
+    unhealthyRequestLatencySensor = registerSensor("unhealthy_request_latency", new Avg(), new Max(0));
+    tardyRequestLatencySensor = registerSensor("tardy_request_latency", new Avg(), new Max(0));
+    throttledRequestLatencySensor = registerSensor("throttled_request_latency", new Avg(), new Max(0));
     routerResponseWaitingTimeSensor = registerSensor(
         "response_waiting_time",
         TehutiUtils.getPercentileStat(getName(), getFullMetricName("response_waiting_time")));