Remove unused imports.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/codec/trunk@130218 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/org/apache/commons/codec/digest/DigestUtilsTest.java

@@ -57,12 +57,6 @@
 
 package org.apache.commons.codec.digest;
 
-import java.security.MessageDigest;
-import java.security.MessageDigestSpi;
-import java.security.Security;
-
-import org.apache.commons.codec.EncoderException;
-
 import junit.framework.TestCase;
 
 /**