Fix precommit build: remove unused imports

Matthew Swift

28.03.2015 62cb6b2d67cb398b7bf763a5a23bc6cfddd740ba

 opendj-sdk/opendj-copyright-maven-plugin/src/main/java/org/forgerock/maven/CopyrightAbstractMojo.java

@@ -34,8 +34,6 @@
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;