Remove 'with_payload' class that didn't end up achieving anything
Remove 'with_payload' class that didn't end up achieving anything

vshymanskyy/pubsubclient,Protoneer/pubsubclient,doebi/pubsubclient,liquiddandruff/pubsubclient,doebi/pubsubclient,liquiddandruff/pubsubclient,doebi/pubsubclient,liquiddandruff/pubsubclient,vshymanskyy/pubsubclient,hemantsangwan/Arduino-PubSubClient,koltegirish/pubsubclient,Protoneer/pubsubclient,Imroy/pubsubclient,Imroy/pubsubclient,hemantsangwan/Arduino-PubSubClient,koltegirish/pubsubclient,vshymanskyy/pubsubclient,koltegirish/pubsubclient,hemantsangwan/Arduino-PubSubClient,Protoneer/pubsubclient,Imroy/pubsubclient