Fix OPENDJ-525: Remove compiler warnings when building using JDK7

Matthew Swift

19.26.2012 108e2020c1d149962dfc43dcbc6bc24a05a8e5f7

 opends/tests/unit-tests-testng/src/server/org/opends/server/tasks/LockdownModeTaskTestCase.java

@@ -35,9 +35,7 @@
import org.testng.annotations.BeforeClass;

import org.opends.server.TestCaseUtils;
import org.opends.server.backends.SchemaTestMatchingRule;
import org.opends.server.backends.task.Task;
import org.opends.server.backends.task.TaskBackend;
import org.opends.server.backends.task.TaskState;
import org.opends.server.core.DirectoryServer;
import org.opends.server.tools.LDAPSearch;