kitchen_pilot_wire_control.ino fix header comment

soft/kitchen/kitchen_pilot_wire_control/kitchen_pilot_wire_control.ino

@@ -1,8 +1,6 @@
 /*
-  SimpleMQTTClient.ino
-  The purpose of this exemple is to illustrate a simple handling of MQTT and Wifi connection.
-  Once it connects successfully to a Wifi network and a MQTT broker, it subscribe to a topic and send a message to it.
-  It will also send a message delayed 5 seconds later.
+  kitchen_pilot_wire_control.ino
+  Switches on or off a heater.
 */
 
 #include "EspMQTTClient.h"