Polish

Fixes gh-3892

samples/xml/gae/src/main/java/samples/gae/users/GaeUser.java

@@ -16,12 +16,10 @@
 package samples.gae.users;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.EnumSet;
 import java.util.Set;
 
-import org.springframework.security.core.GrantedAuthority;
 import samples.gae.security.AppRole;
 
 /**

samples/xml/gae/src/main/java/samples/gae/validation/Forename.java

@@ -23,8 +23,6 @@ import java.lang.annotation.Target;
 import javax.validation.Constraint;
 import javax.validation.Payload;
 
-import org.hibernate.validator.constraints.NotBlank;
-
 /**
  * @author Luke Taylor
  */

samples/xml/gae/src/main/java/samples/gae/validation/Surname.java

@@ -23,8 +23,6 @@ import java.lang.annotation.Target;
 import javax.validation.Constraint;
 import javax.validation.Payload;
 
-import org.hibernate.validator.constraints.NotBlank;
-
 /**
  * @author Luke Taylor
  */

samples/xml/gae/src/main/java/samples/gae/web/RegistrationController.java

@@ -15,10 +15,9 @@
  */
 package samples.gae.web;
 
-import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.Set;
-import javax.servlet.http.HttpServletRequest;
+
 import javax.validation.Valid;
 
 import com.google.appengine.api.users.UserServiceFactory;

samples/xml/gae/src/main/java/samples/gae/web/RegistrationForm.java

@@ -15,7 +15,6 @@
  */
 package samples.gae.web;
 
-import org.hibernate.validator.constraints.NotBlank;
 import samples.gae.validation.Forename;
 import samples.gae.validation.Surname;
 

samples/xml/insecuremvc/src/test/java/org/springframework/security/samples/config/SecurityConfigTests.java

@@ -18,8 +18,6 @@ package org.springframework.security.samples.config;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
-import javax.servlet.Filter;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;