Simplify TaskExecutionAutoConfiguration

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfiguration.java

@@ -38,8 +38,7 @@ import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 @Import({ TaskExecutorConfigurations.ThreadPoolTaskExecutorBuilderConfiguration.class,
 		TaskExecutorConfigurations.TaskExecutorBuilderConfiguration.class,
 		TaskExecutorConfigurations.SimpleAsyncTaskExecutorBuilderConfiguration.class,
-		TaskExecutorConfigurations.VirtualThreadTaskExecutorConfiguration.class,
-		TaskExecutorConfigurations.ThreadPoolTaskExecutorConfiguration.class })
+		TaskExecutorConfigurations.TaskExecutorConfiguration.class })
 public class TaskExecutionAutoConfiguration {
 
 	/**

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutorConfigurations.java

@@ -47,27 +47,22 @@ import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
  */
 class TaskExecutorConfigurations {
 
-	@ConditionalOnThreading(Threading.VIRTUAL)
 	@Configuration(proxyBeanMethods = false)
 	@ConditionalOnMissingBean(Executor.class)
-	static class VirtualThreadTaskExecutorConfiguration {
+	@SuppressWarnings("removal")
+	static class TaskExecutorConfiguration {
 
 		@Bean(name = { TaskExecutionAutoConfiguration.APPLICATION_TASK_EXECUTOR_BEAN_NAME,
 				AsyncAnnotationBeanPostProcessor.DEFAULT_TASK_EXECUTOR_BEAN_NAME })
-		SimpleAsyncTaskExecutor applicationTaskExecutor(SimpleAsyncTaskExecutorBuilder builder) {
+		@ConditionalOnThreading(Threading.VIRTUAL)
+		SimpleAsyncTaskExecutor applicationTaskExecutorVirtualThreads(SimpleAsyncTaskExecutorBuilder builder) {
 			return builder.build();
 		}
 
-	}
-
-	@Configuration(proxyBeanMethods = false)
-	@ConditionalOnMissingBean(Executor.class)
-	@SuppressWarnings("removal")
-	static class ThreadPoolTaskExecutorConfiguration {
-
 		@Lazy
 		@Bean(name = { TaskExecutionAutoConfiguration.APPLICATION_TASK_EXECUTOR_BEAN_NAME,
 				AsyncAnnotationBeanPostProcessor.DEFAULT_TASK_EXECUTOR_BEAN_NAME })
+		@ConditionalOnThreading(Threading.PLATFORM)
 		ThreadPoolTaskExecutor applicationTaskExecutor(TaskExecutorBuilder taskExecutorBuilder,
 				ObjectProvider<ThreadPoolTaskExecutorBuilder> threadPoolTaskExecutorBuilderProvider) {
 			ThreadPoolTaskExecutorBuilder threadPoolTaskExecutorBuilder = threadPoolTaskExecutorBuilderProvider