No main executor call

core/src/mindustry/net/ArcNetProvider.java

@@ -224,7 +224,8 @@ public class ArcNetProvider implements NetProvider{
 
     @Override
     public void pingHost(String address, int port, Cons<Host> valid, Cons<Exception> invalid){
-        mainExecutor.submit(() -> {
+        //TODO: main executor or not?
+        //mainExecutor.submit(() -> {
 
         pingHostImpl(address, port, host -> Core.app.post(() -> valid.get(host)), e -> {
             //raw IP addresses can't have SRV records, so don't bother checking
@@ -238,7 +239,7 @@ public class ArcNetProvider implements NetProvider{
             }
         });
 
-        });
+        //});
     }
 
     private void pingRecords(Seq<SRVRecord> records, int index, Cons<Host> valid, Cons<Exception> invalid){