Remove unused import

Author: garydgregory

commons-vfs2/src/main/java/org/apache/commons/vfs2/provider/ftp/FtpFileObject.java

@@ -25,7 +25,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import java.util.TimeZone;
 import java.util.TreeMap;
 import java.util.concurrent.atomic.AtomicBoolean;