very_big_parcel_test: remove loopback messages

libs/full/parcelset/tests/regressions/very_big_parcel.cpp

@@ -126,7 +126,7 @@ int hpx_main(hpx::program_options::variables_map& b_arg)
     config.nbytes_add = b_arg["nbytes-add"].as<std::size_t>();
 
     std::vector<ComponentClient> clients;
-    auto localities(hpx::find_all_localities());
+    auto localities(hpx::find_remote_localities());
     std::transform(std::begin(localities), std::end(localities),
         std::back_inserter(clients),
         [](auto& loc) { return hpx::new_<ComponentClient>(loc); });