code: def _adjust_router_list_for_global_router(self, routers):
          
          #ToDo(Hareesh): Simplify if possible
          for r in routers:
              if r[ROUTER_ROLE_ATTR] == c_constants.ROUTER_ROLE_GLOBAL:
                  LOG.debug("Global router:%s found. Moved to the end of list "
                            "for processing", r['id'])
                  routers.remove(r)
                  routers.append(r)
docs: Pushes 'Global' routers to the end of the router list, so that
          deleting default route occurs before deletion of external nw subintf