do not return an int since it is never used

pkg/stanza/operator/input/windows/input.go

@@ -190,7 +190,7 @@ func (i *Input) readOnInterval(ctx context.Context) {
 }
 
 // read will read events from the subscription.
-func (i *Input) read(ctx context.Context) int {
+func (i *Input) read(ctx context.Context) {
 	events, err := i.subscription.Read(i.maxReads)
 	if err != nil {
 		i.Logger().Error("Failed to read events from subscription", zap.Error(err))
@@ -199,20 +199,20 @@ func (i *Input) read(ctx context.Context) int {
 			closeErr := i.subscription.Close()
 			if closeErr != nil {
 				i.Logger().Error("Failed to close remote subscription", zap.Error(closeErr))
-				return 0
+				return
 			}
 			i.Logger().Info("Resubscribing, creating remote subscription")
 			i.subscription = NewRemoteSubscription(i.remote.Server)
 			if err := i.startRemoteSession(); err != nil {
 				i.Logger().Error("Failed to re-establish remote session", zap.String("server", i.remote.Server), zap.Error(err))
-				return 0
+				return
 			}
 			if err := i.subscription.Open(i.startAt, uintptr(i.remoteSessionHandle), i.channel, i.bookmark); err != nil {
 				i.Logger().Error("Failed to re-open subscription for remote server", zap.String("server", i.remote.Server), zap.Error(err))
-				return 0
+				return
 			}
 		}
-		return 0
+		return
 	}
 
 	for n, event := range events {
@@ -222,8 +222,6 @@ func (i *Input) read(ctx context.Context) int {
 		}
 		event.Close()
 	}
-
-	return len(events)
 }
 
 func (i *Input) getPublisherName(event Event) (name string, excluded bool) {