remove unused classes

git-svn-id: https://svn.apache.org/repos/asf/maven/archiva/trunk@441378 13f79535-47bb-0310-9956-ffa450edef68

archiva-converter/src/test/java/org/apache/maven/archiva/converter/RepositoryConverterTest.java

@@ -33,7 +33,6 @@ import org.codehaus.plexus.util.FileUtils;
 
 import java.io.File;
 import java.io.IOException;
-import java.net.MalformedURLException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -586,7 +585,7 @@ public class RepositoryConverterTest
     }
 
     public void testForcedUnmodifiedArtifact()
-        throws Exception, IOException
+        throws Exception
     {
         // test unmodified artifact is still converted when set to force
 
@@ -777,7 +776,7 @@ public class RepositoryConverterTest
     }
 
     public void testInvalidSourceSnapshotMetadata()
-        throws Exception, MalformedURLException
+        throws Exception
     {
         // test artifact is not converted when source snapshot metadata is invalid and returns failure