Reformatted code with new code style

src/main/java/fr/xephi/authme/command/executable/captcha/CaptchaCommand.java

@@ -20,6 +20,7 @@ public class CaptchaCommand extends ExecutableCommand {
      * @param sender           The command sender.
      * @param commandReference The command reference.
      * @param commandArguments The command arguments.
+     *
      * @return True if the command was executed successfully, false otherwise.
      */
     @Override