code: public boolean removeDividerByTag(Object tag) {
          if (tag == null) return false;
          for (int k = 0; k < list.getWidgetCount(); k++) {
              Widget w = list.getWidget(k);
              if (isDivider(w) && tag.equals(((JQMListDivider) w).getTag())) {
                  list.remove(k);
                  items.remove(k);
                  return true;
              }
          }
          return false;
      }
docs: Remove the divider with the given tag. This method will search all the dividers and remove the first divider
  found with the given tag.
  
  @return true if a divider with the given tag was found and removed, otherwise false.