Remove deprecated Request and Response classes. (#779)

Author: OlgaMaciaszek

spring-cloud-commons/src/main/java/org/springframework/cloud/client/loadbalancer/reactive/CompletionContext.java

@@ -18,6 +18,11 @@
 
 import org.reactivestreams.Publisher;
 
+import org.springframework.cloud.client.loadbalancer.DefaultRequest;
+import org.springframework.cloud.client.loadbalancer.DefaultRequestContext;
+import org.springframework.cloud.client.loadbalancer.Request;
+import org.springframework.cloud.client.loadbalancer.Response;
+
 /**
  * Reactive load balancer.
  *
@@ -30,7 +35,7 @@ public interface ReactiveLoadBalancer<T> {
 	/**
 	 * Default implementation of a request.
 	 */
-	Request<DefaultRequestContext> REQUEST = new DefaultRequest();
+	Request<DefaultRequestContext> REQUEST = new DefaultRequest<>();
 
 	/**
 	 * Choose the next server based on the load balancing algorithm.

spring-cloud-commons/src/main/java/org/springframework/cloud/client/loadbalancer/reactive/DefaultRequest.java

@@ -23,7 +23,9 @@
 import reactor.core.publisher.Mono;
 
 import org.springframework.cloud.client.ServiceInstance;
+import org.springframework.cloud.client.loadbalancer.EmptyResponse;
 import org.springframework.cloud.client.loadbalancer.LoadBalancerUriTools;
+import org.springframework.cloud.client.loadbalancer.Response;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.reactive.function.client.ClientRequest;
 import org.springframework.web.reactive.function.client.ClientResponse;

spring-cloud-commons/src/main/java/org/springframework/cloud/client/loadbalancer/reactive/DefaultRequestContext.java

@@ -36,6 +36,10 @@
 import org.springframework.cloud.client.discovery.DiscoveryClient;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 import org.springframework.cloud.client.discovery.simple.SimpleDiscoveryProperties;
+import org.springframework.cloud.client.loadbalancer.DefaultResponse;
+import org.springframework.cloud.client.loadbalancer.EmptyResponse;
+import org.springframework.cloud.client.loadbalancer.Request;
+import org.springframework.cloud.client.loadbalancer.Response;
 import org.springframework.context.annotation.Bean;
 import org.springframework.http.HttpStatus;
 import org.springframework.test.context.junit.jupiter.SpringExtension;