Revert "Add @ConditionalOnMissingBean for JobRepository"

This reverts commit 73fc351.

See gh-43236

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfiguration.java

@@ -20,7 +20,6 @@
 
 import javax.sql.DataSource;
 
-import org.springframework.batch.core.configuration.BatchConfigurationException;
 import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
 import org.springframework.batch.core.configuration.support.DefaultBatchConfiguration;
 import org.springframework.batch.core.explore.JobExplorer;
@@ -130,13 +129,6 @@ protected DataSource getDataSource() {
 			return this.dataSource;
 		}
 
-		@Bean
-		@ConditionalOnMissingBean
-		@Override
-		public JobRepository jobRepository() throws BatchConfigurationException {
-			return super.jobRepository();
-		}
-
 		@Override
 		protected PlatformTransactionManager getTransactionManager() {
 			return this.transactionManager;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfigurationTests.java

@@ -517,13 +517,6 @@ void defaultExecutionContextSerializerIsUsed() {
 			});
 	}
 
-	@Test
-	void defaultJobRepositoryIsNotCreatedWhenUserDefinedJobRepositoryBean() {
-		this.contextRunner
-			.withUserConfiguration(TestConfigurationWithJobRepository.class, EmbeddedDataSourceConfiguration.class)
-			.run((context) -> assertThat(context).hasSingleBean(TestJobRepository.class));
-	}
-
 	private JobLauncherApplicationRunner createInstance(String... registeredJobNames) {
 		JobLauncherApplicationRunner runner = new JobLauncherApplicationRunner(mock(JobLauncher.class),
 				mock(JobExplorer.class), mock(JobRepository.class));
@@ -603,16 +596,6 @@ static class TestConfiguration {
 
 	}
 
-	@TestAutoConfigurationPackage(City.class)
-	static class TestConfigurationWithJobRepository {
-
-		@Bean
-		TestJobRepository jobRepository() {
-			return mock(TestJobRepository.class);
-		}
-
-	}
-
 	@Configuration(proxyBeanMethods = false)
 	static class EntityManagerFactoryConfiguration {
 
@@ -897,8 +880,4 @@ ExecutionContextSerializer executionContextSerializer() {
 
 	}
 
-	interface TestJobRepository extends JobRepository {
-
-	}
-
 }