Remove unused imports in framework-docs examples

Closes gh-36429

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>

Author: ngocnhan-tran1996

framework-docs/src/main/java/org/springframework/docs/testing/mockmvc/assertj/mockmvctesterrequests/HotelControllerTests.java

@@ -21,7 +21,6 @@
 import org.springframework.test.web.servlet.assertj.MvcTestResult;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 
 /**
  * @author Stephane Nicoll

framework-docs/src/main/java/org/springframework/docs/web/websocket/stomp/websocketstompconfigurationperformance/MessageSizeLimitWebSocketConfiguration.java

@@ -17,9 +17,7 @@
 package org.springframework.docs.web.websocket.stomp.websocketstompconfigurationperformance;
 
 import org.springframework.context.annotation.Configuration;
-import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
-import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
 import org.springframework.web.socket.config.annotation.WebSocketTransportRegistration;
 

framework-docs/src/main/java/org/springframework/docs/web/websocket/stomp/websocketstompconfigurationperformance/WebSocketConfiguration.java

@@ -17,9 +17,7 @@
 package org.springframework.docs.web.websocket.stomp.websocketstompconfigurationperformance;
 
 import org.springframework.context.annotation.Configuration;
-import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
-import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
 import org.springframework.web.socket.config.annotation.WebSocketTransportRegistration;
 

framework-docs/src/main/java/org/springframework/docs/web/websocket/stomp/websocketstomphandlesimplebroker/WebSocketConfiguration.java

@@ -22,7 +22,6 @@
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.scheduling.TaskScheduler;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
-import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
 
 // tag::snippet[]

framework-docs/src/main/java/org/springframework/docs/web/websocket/stomp/websocketstompmessageflow/GreetingController.java

@@ -19,13 +19,8 @@
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
-import org.springframework.context.annotation.Configuration;
 import org.springframework.messaging.handler.annotation.MessageMapping;
-import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
-import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
-import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
 
 // tag::snippet[]
 @Controller

framework-docs/src/main/java/org/springframework/docs/web/websocket/stomp/websocketstomporderedmessages/ReceiveOrderWebSocketConfiguration.java

@@ -17,7 +17,6 @@
 package org.springframework.docs.web.websocket.stomp.websocketstomporderedmessages;
 
 import org.springframework.context.annotation.Configuration;
-import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
 import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
 import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;

framework-docs/src/main/kotlin/org/springframework/docs/testing/mockmvc/assertj/mockmvctesterintegration/HotelController.kt

@@ -16,12 +16,9 @@
 
 package org.springframework.docs.testing.mockmvc.assertj.mockmvctesterintegration
 
-import org.assertj.core.api.Assertions
 import org.assertj.core.api.Assertions.*
 import org.springframework.test.web.servlet.assertj.MockMvcTester
-import org.springframework.test.web.servlet.request.MockMvcRequestBuilders
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*
-import org.springframework.test.web.servlet.result.MockMvcResultMatchers
 import org.springframework.test.web.servlet.result.MockMvcResultMatchers.*
 
 /**