Remove @Persistent from entity-scan include filters (#1772)

Original PR: #1772 
Closes: #1771

Author: sothawo

src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchConfigurationSupport.java

@@ -120,8 +120,7 @@ protected Set<Class<?>> getInitialEntitySet() {
 	}
 
 	/**
-	 * Scans the given base package for entities, i.e. Elasticsearch specific types annotated with {@link Document} and
-	 * {@link Persistent}.
+	 * Scans the given base package for entities, i.e. Elasticsearch specific types annotated with {@link Document}.
 	 *
 	 * @param basePackage must not be {@literal null}.
 	 * @return never {@literal null}.
@@ -137,7 +136,6 @@ protected Set<Class<?>> scanForEntities(String basePackage) {
 		ClassPathScanningCandidateComponentProvider componentProvider = new ClassPathScanningCandidateComponentProvider(
 				false);
 		componentProvider.addIncludeFilter(new AnnotationTypeFilter(Document.class));
-		componentProvider.addIncludeFilter(new AnnotationTypeFilter(Persistent.class));
 
 		for (BeanDefinition candidate : componentProvider.findCandidateComponents(basePackage)) {