Remove need for public constructor on inner-class

Closes gh-17086

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationServletContainerTests.java

@@ -67,12 +67,13 @@ void existingJerseyServletIsAmended(CapturedOutput output) {
 			PropertyPlaceholderAutoConfiguration.class })
 	@Import(ContainerConfiguration.class)
 	@Path("/hello")
+	@Configuration(proxyBeanMethods = false)
 	public static class Application extends ResourceConfig {
 
 		@Value("${message:World}")
 		private String msg;
 
-		public Application() {
+		Application() {
 			register(Application.class);
 		}
 

src/checkstyle/checkstyle-suppressions.xml

@@ -37,7 +37,6 @@
 	<suppress files="RemoteUrlPropertyExtractorTests\.java" checks="IllegalImport" />
 	<suppress files="SampleLogbackApplication\.java" checks="IllegalImport" />
 	<suppress files="FlywayAutoConfigurationTests\.java" checks="IllegalImport" />
-	<suppress files="JerseyAutoConfigurationServletContainerTests" checks="RedundantModifier" />
 	<suppress files="ModifiedClassPathRunnerOverridesTests" checks="SpringJUnit5" />
 	<suppress files="ModifiedClassPathRunnerExclusionsTests" checks="SpringJUnit5" />
 	<suppress files="[\\/]src[\\/]test[\\/]java[\\/]org[\\/]springframework[\\/]boot[\\/]test[\\/]rule[\\/]" checks="SpringJUnit5" />