Remove unused import

Author: aherbert

src/test/java/org/apache/commons/codec/binary/Base64TestData.java

@@ -17,8 +17,6 @@
 
 package org.apache.commons.codec.binary;
 
-import java.util.Random;
-
 /**
  * This random data was encoded by OpenSSL. Java had nothing to do with it. This data helps us test interop between
  * Commons-Codec and OpenSSL. Notice that OpenSSL creates 64 character lines instead of the 76 of Commons-Codec.