code: public void deleteRelationsFromResource(CmsResource resource, CmsRelationFilter filter) throws CmsException {
  
          m_securityManager.deleteRelationsForResource(m_context, resource, filter);
      }
docs: Deletes the relations to a given resource.<p>
  
  @param resource the resource to delete the relations from
  @param filter the filter to use for deleting the relations
  
  @throws CmsException if something goes wrong