Revert "test nonfunctionality"

This worked!

This reverts commit 96881b7391.

esphome/components/modbus_controller/modbus_controller.h

@@ -309,7 +309,7 @@ struct RegisterRange {
   uint16_t skip_updates_counter;  // the running value
 };
 
-class ModbusCommandItem this is a test of nonfunctionality {
+class ModbusCommandItem {
  public:
   static const size_t MAX_PAYLOAD_BYTES = 240;
   ModbusController *modbusdevice{nullptr};