Remove whitespace

src/main/java/org/apache/commons/lang3/StringUtils.java

@@ -7868,7 +7868,6 @@ public class StringUtils {
      */
     private static String[] splitWorker(final String str, final char separatorChar, final boolean preserveAllTokens) {
         // Performance tuned for 2.0 (JDK1.4)
-
         if (str == null) {
             return null;
         }