message: GH#1938 - Ignore unexpected actions in system contract instead of failing
diff: @@ -189,9 +189,6 @@ namespace eosiosystem {
  using undelegatebw = typename delegate_bandwidth<SystemAccount>::undelegatebw;
  if(code == undelegatebw::get_account() && act == undelegatebw::get_name() ){
  contract().on( receiver, eosio::unpack_action_data<undelegatebw>() );
  - } else {
  - eosio::print("Unexpected action: ", eosio::name{act}, "\n");
  - eosio_assert( false, "received unexpected action");
  }
  }
  }
  