drivers: wifi: eswifi: Offload sockets regression

This change fixes a regression from commit 1cbc0acd.

Socket offload uses a dummy socket context, and setting
the socket state in this dummy context is invalid.

Fixes #52317

Signed-off-by: Brian Dunlay <brian@nubix.io>

drivers/wifi/eswifi/eswifi_socket.c

@@ -221,7 +221,6 @@ int __eswifi_off_start_client(struct eswifi_dev *eswifi,
 		LOG_ERR("Unable to start TCP/UDP client");
 		return -EIO;
 	}
-	net_context_set_state(socket->context, NET_CONTEXT_CONNECTED);
 
 	return 0;
 }