kvcoord: change x-locality log from vevent to vinfo

The X-locality log events were added in #103963 for the dist sender, to
alert when localities were misconfigured. In some clusters, especially
test clusters, these events are unnecessarily verbose in traces.

Change the log from `VEvent(5)` to `VInfo(5)` in the dist sender path.

Resolves: #110648
Epic: none
Release note: None

pkg/kv/kvclient/kvcoord/dist_sender.go

@@ -2653,10 +2653,10 @@ func (ds *DistSender) getLocalityComparison(
 
 	comparisonResult, regionErr, zoneErr := gatewayNodeDesc.Locality.CompareWithLocality(destinationNodeDesc.Locality)
 	if regionErr != nil {
-		log.VEventf(ctx, 5, "unable to determine if the given nodes are cross region %v", regionErr)
+		log.VInfof(ctx, 5, "unable to determine if the given nodes are cross region %v", regionErr)
 	}
 	if zoneErr != nil {
-		log.VEventf(ctx, 5, "unable to determine if the given nodes are cross zone %v", zoneErr)
+		log.VInfof(ctx, 5, "unable to determine if the given nodes are cross zone %v", zoneErr)
 	}
 	return comparisonResult
 }