Remove kqueue bug workaround since the issue is now fixed upstream

See https://github.com/netty/netty/pull/9149

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -404,9 +404,6 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
     }
 
     if (connectedServer == null) {
-      // The player isn't yet connected to a server. Note that we need to do this in a future run
-      // of the event loop due to an issue with the Netty kqueue transport.
-      minecraftConnection.eventLoop().execute(() -> {
       Optional<RegisteredServer> nextServer = getNextServerToTry(rs);
       if (nextServer.isPresent()) {
         // There can't be any connection in flight now.
@@ -415,7 +412,6 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
       } else {
         disconnect(friendlyReason);
       }
-      });
     } else {
       boolean kickedFromCurrent = connectedServer.getServer().equals(rs);
       ServerKickResult result;