Removed unnecessary import

Author: johnerikhalse

src/test/java/org/archive/url/UsableURITest.java

@@ -21,7 +21,6 @@
 import java.net.URISyntaxException;
 
 import org.apache.commons.httpclient.URIException;
-import org.archive.url.UsableURI;
 
 import junit.framework.TestCase;