[fix] Remove unused import.

Author: rhubner

exist-core/src/main/java/org/exist/xquery/functions/fn/FunTokenize.java

@@ -21,8 +21,6 @@
  */
 package org.exist.xquery.functions.fn;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
 import org.exist.dom.QName;