Remove unnecessary flushOnEach (since reactor-netty 0.9)

Author: Stephane Maldini

spring-webflux/src/main/java/org/springframework/web/reactive/socket/adapter/ReactorNettyWebSocketSession.java

@@ -21,7 +21,6 @@
 import reactor.core.publisher.Mono;
 import reactor.netty.NettyInbound;
 import reactor.netty.NettyOutbound;
-import reactor.netty.NettyPipeline;
 import reactor.netty.http.websocket.WebsocketInbound;
 import reactor.netty.http.websocket.WebsocketOutbound;
 
@@ -90,7 +89,6 @@ public Mono<Void> send(Publisher<WebSocketMessage> messages) {
 				})
 				.map(this::toFrame);
 		return getDelegate().getOutbound()
-				.options(NettyPipeline.SendOptions::flushOnEach)
 				.sendObject(frames)
 				.then();
 	}