remove redundant modifiers found by checkstyle

samples/boot/oauth2authorizationserver/src/main/java/sample/AuthorizationServerConfiguration.java

@@ -191,7 +191,7 @@ class UserConfig extends WebSecurityConfigurerAdapter {
 class IntrospectEndpoint {
 	TokenStore tokenStore;
 
-	public IntrospectEndpoint(TokenStore tokenStore) {
+	IntrospectEndpoint(TokenStore tokenStore) {
 		this.tokenStore = tokenStore;
 	}
 
@@ -226,7 +226,7 @@ class IntrospectEndpoint {
 class JwkSetEndpoint {
 	KeyPair keyPair;
 
-	public JwkSetEndpoint(KeyPair keyPair) {
+	JwkSetEndpoint(KeyPair keyPair) {
 		this.keyPair = keyPair;
 	}
 

samples/boot/oauth2resourceserver-jwe/src/integration-test/java/sample/OAuth2ResourceServerApplicationITests.java

@@ -84,7 +84,7 @@ public class OAuth2ResourceServerApplicationITests {
 	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
 		private String token;
 
-		public BearerTokenRequestPostProcessor(String token) {
+		BearerTokenRequestPostProcessor(String token) {
 			this.token = token;
 		}
 

samples/boot/oauth2resourceserver-multitenancy/src/integration-test/java/sample/OAuth2ResourceServerApplicationITests.java

@@ -132,7 +132,7 @@ public class OAuth2ResourceServerApplicationITests {
 	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
 		private String token;
 
-		public BearerTokenRequestPostProcessor(String token) {
+		BearerTokenRequestPostProcessor(String token) {
 			this.token = token;
 		}
 

samples/boot/oauth2resourceserver-opaque/src/integration-test/java/sample/OAuth2ResourceServerApplicationITests.java

@@ -84,7 +84,7 @@ public class OAuth2ResourceServerApplicationITests {
 	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
 		private String token;
 
-		public BearerTokenRequestPostProcessor(String token) {
+		BearerTokenRequestPostProcessor(String token) {
 			this.token = token;
 		}
 

samples/boot/oauth2resourceserver-static/src/integration-test/java/sample/OAuth2ResourceServerApplicationITests.java

@@ -84,7 +84,7 @@ public class OAuth2ResourceServerApplicationITests {
 	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
 		private String token;
 
-		public BearerTokenRequestPostProcessor(String token) {
+		BearerTokenRequestPostProcessor(String token) {
 			this.token = token;
 		}
 

samples/boot/oauth2resourceserver/src/integration-test/java/sample/OAuth2ResourceServerApplicationITests.java

@@ -107,7 +107,7 @@ public class OAuth2ResourceServerApplicationITests {
 	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
 		private String token;
 
-		public BearerTokenRequestPostProcessor(String token) {
+		BearerTokenRequestPostProcessor(String token) {
 			this.token = token;
 		}
 

samples/xml/jaas/src/main/java/samples/jaas/UsernameEqualsPasswordLoginModule.java

@@ -94,7 +94,7 @@ public class UsernameEqualsPasswordLoginModule implements LoginModule {
 	private static class UsernamePrincipal implements Principal, Serializable {
 		private final String username;
 
-		public UsernamePrincipal(String username) {
+		UsernamePrincipal(String username) {
 			this.username = username;
 		}