code: @Override
      public boolean fileDeleted(File file) throws WatchingException {
          if (isNotMinified(file)) {
              File minified = getMinifiedFile(file);
              FileUtils.deleteQuietly(minified);
              File map = new File(minified.getParentFile(), minified.getName() + ".map");
              FileUtils.deleteQuietly(map);
          }
          return true;
      }
docs: Cleans the output file if any.
  
  @param file the file
  @return {@literal false} if the pipeline processing must be interrupted for this event. Most watchers should
  return {@literal true} to let other watchers be notified.
  @throws org.wisdom.maven.WatchingException if the watcher failed to process the given file.