code: public void removeSearchIndexes(List<String> indexNames) {
  
          Iterator<String> i = indexNames.iterator();
          while (i.hasNext()) {
              String indexName = i.next();
              // get the search index by name
              I_CmsSearchIndex index = getIndex(indexName);
              if (index != null) {
                  // remove the index
                  removeSearchIndex(index);
              } else {
                  if (LOG.isWarnEnabled()) {
                      LOG.warn(Messages.get().getBundle().key(Messages.LOG_NO_INDEX_WITH_NAME_1, indexName));
                  }
              }
          }
      }
docs: Removes all indexes included in the given list (which must contain the name of an index to remove).<p>
  
  @param indexNames the names of the index to remove