Remove USBHost stuff

Author: manchoz

src/Arduino_MachineControl.h

@@ -12,8 +12,6 @@
 #include "Arduino.h"
 #include "mbed.h"
 
-#include "USBHost.h"
-
 namespace machinecontrol {
 
 class RTDClass {
@@ -491,10 +489,6 @@ extern RtcControllerClass rtc_controller;
 
 class USBClass {
 public:
-	void init(const tusbh_class_reg_t *class_table) {
-		usb.Init(USB_CORE_ID_FS, class_table);
-	}
-
 	void powerEnable() {
 		power = 0;
 	}
@@ -507,8 +501,6 @@ class USBClass {
 		return usbflag;
 	}
 
-	USBHost usb;
-
 private:
 	mbed::DigitalOut power = mbed::DigitalOut(PB_14);
 	mbed::DigitalIn usbflag = mbed::DigitalIn(PB_15);