Fix Checkstyle

Author: jzheaux

config/src/test/java/org/springframework/security/config/annotation/method/configuration/PrePostMethodSecurityConfigurationTests.java

@@ -41,7 +41,6 @@
 import org.springframework.context.annotation.Import;
 import org.springframework.context.annotation.Role;
 import org.springframework.core.annotation.AnnotationConfigurationException;
-import org.springframework.expression.spel.SpelParseException;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.PermissionEvaluator;
 import org.springframework.security.access.annotation.BusinessService;