#BAEL-10229 Fix spring-5-webflux usage of RSocketRequester

Author: alessiostalla

spring-5-webflux/src/test/java/com/baeldung/spring/rsocket/client/MarketDataRestControllerIntegrationTest.java

@@ -13,7 +13,6 @@
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.messaging.rsocket.RSocketRequester;
 import org.springframework.messaging.rsocket.RSocketRequester.RequestSpec;
-import org.springframework.messaging.rsocket.RSocketRequester.ResponseSpec;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.reactive.server.FluxExchangeResult;
 import org.springframework.test.web.reactive.server.WebTestClient;