Consistent whitespace after imports

Update code to have a consistent number of new-line characters after
import statements.

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClass.java

@@ -64,7 +64,6 @@ final class ConfigurationClass {
 	private final Set<ImportBeanDefinitionRegistrar> importBeanDefinitionRegistrars =
 			new LinkedHashSet<ImportBeanDefinitionRegistrar>();
 
-
 	/**
 	 * Create a new {@link ConfigurationClass} with the given name.
 	 * @param metadataReader reader used to parse the underlying {@link Class}

spring-context/src/main/java/org/springframework/context/annotation/ImportResource.java

@@ -25,7 +25,6 @@ import java.lang.annotation.Target;
 import org.springframework.beans.factory.support.BeanDefinitionReader;
 import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
 
-
 /**
  * Indicates one or more resources containing bean definitions to import.
  *