Remove unused code from FolderListFilter

         * @author Marcus@Wolschon.biz

         */

        public class FolderListFilter extends Filter {

            private CharSequence mSearchTerm;

            public CharSequence getSearchTerm() {

                return mSearchTerm;

            }

            /**

             * Do the actual search.

             * {@inheritDoc}

             *

             * @see #publishResults(CharSequence, FilterResults)

             */

            @Override

            protected FilterResults performFiltering(CharSequence searchTerm) {

                mSearchTerm = searchTerm;

                FilterResults results = new FilterResults();

                Locale locale = Locale.getDefault();