Remove outdated javadoc

Author: galderz

substratevm/src/com.oracle.graal.pointsto/src/com/oracle/graal/pointsto/reports/ReportUtils.java

@@ -72,7 +72,6 @@ public class ReportUtils {
      * @param name the name of the report
      * @param extension the extension of the report
      * @param reporter a consumer that writes to a PrintWriter
-     * @return file name for the report
      */
     public static void report(String description, String path, String name, String extension, Consumer<PrintWriter> reporter) {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss");