code: public static void removeStatsGroup(StatsGroup group)
                      throws StatsFactoryException {
          if (tc.isEntryEnabled())
              Tr.entry(tc, new StringBuffer("removeStatsGroup:name=").append(group.getName()).toString());
  
          StatsFactoryUtil.unRegisterStats((PmiModule) group, group.getMBean());
  
          if (tc.isEntryEnabled())
              Tr.exit(tc, "removeStatsGroup");
      }
docs: Removes a StatsGroup from the PMI tree. Note that any children under the group will also be removed.
  If the group is associated with a default CustomStats MBean, the MBean will be de-activated.
  
  @param group StatsGroup to be removed
  @exception StatsFactoryException if error while removing Stats group